Percentages
Amazon sells Black & Decker pressure cookers for $31.34. If taxes are 7% and shipping is free, how much will the total cost be for the pressure cooker?
$31.34 X 0.07 = $2.19
$31.34 + $2.19 = $33.53
What would the total interest of a $432 investment be after 18 months if the interest rate was 7.1%?
I = PRT
I = $432 X 0.071 X 1.5
I = $46.008 = $46.01
Joe is salaried at $3,256.26 a month and gets paid bi-weekly. Using 4 weeks in a month, what is his gross amount he will receive for each paycheck?
$3,256.26/2 = $1,628.13
Using the following formula °F = °C * 9/5 + 32, find the degrees fahrenheit if the temperature in celsius is 45°C.
F = 45 X 9/5 + 32
F = 113 degrees
PEMDAS
Zack went to Home Goods to purchase a new rug for his bathroom. He found a rug for $39.99 and wants to get the best deal. He has one coupon for 20% off and another coupon for $10 off. Which coupon should Zack use? Make sure to state what the price would be for each coupon.
20% Off: $39.99 x 0.20 = $7.998
$39.99 - $8 = $31.99
$10 off: $39.99 - $10 = $29.99
Tom borrowed $16,785 for a piece of equipment. How much will Tom have to repay if the loan was taken out for 2 ½ years at a rate of 7.1%?
I = PRT
I = $16,785 X 0.071 X 2.5
I = $2,979.34
Total = $16,785 + $2,979.34
Jessica worked the following number of hours last month. If she makes $17.05 an hour, calculate her net pay for the month if 23% is taken out in taxes.
Week 1: 22 hours
Week 2: 32 hours
Week 3: 18 hours
Week 4: 21 hours
22 + 32 + 18 +21 = 93 hours
Gross: 93 X $17.05 = $1585.65
Taxes: $1585.65 X 0.23 = $364.70
Net: $1585.65 - $364.70 = $1220.95
You are renting a car to take a road trip across the country. You are debating between two cars. You could drive a coupe that gets 25 miles per gallon of gas or you can drive a midsize car that gets 15 miles per gallon of gas. You are going to drive a total of 2,529 miles. You know gas costs an average of $4.15 a gallon on your trip. How much money would you spend on gas if you drove the coupe?
2,529/25 = 101.16 X $4.15 = $419.81
You and three friends order a pepperoni pizza for delivery on Friday night. The cost of the pizza is $18.50 and you plan on tipping the delivery person 15%. How much will the delivery person receive for a tip? How much will each of you pay if there are 4 people?
$18.50 X 0.15 = $2.78
$18.50 + $2.78 = $21.28/4 = $5.32
Denise borrowed money for her Outdoor Adventure business. If she paid $4,567 in interest after 10 years with an interest rate of 5.6%, what was the amount she needed to borrow?
$4,567 = I X 0.056 X 10
$4,567 = I X 0.56
I = $8,155.36
Kathleen makes $20.23 an hour and makes double time for overtime. If Kathleen works 42 hours this week. What is her net pay if 26.75% is taken out in taxes?
Regular: 40 X $20.23 = $809.20
Overtime: 2 X $40.46 = $80.92
Total Gross: $809.20 + $80.92 = $890.12
Taxes: $890.12 X 0.2675 = $238.11
Net: $890.12 - $238.11 = $652.01
James went to the candy store and bought 10 candy bars and 6 bottles of soda. He spent $24.00. When he got home he remembered that the candy bars cost $2.05 each but couldn’t remember how much the sodas were. How much did he pay per bottle of soda? Use specific details to support your answer.
10 X $2.05 = $20.50
$24 - $20.50 = $3.50 cost of all sodas
$3.50/6 = $0.58 cost per soda
You need to purchase supplies for your cosmetology class. You need to purchase cutting shears for $13.59, 2 bottles of hair gel for $4.39 each, and 5 sectioning clips for $0.79 each. If sales tax is 7.5%, what will be the total you will have to pay for these supplies?
$28.29
How much time has passed if Emily received $1,400 in interest on an initial investment of $1,000 that received an interest rate of 7%?
$1,400 = $1,000 X 0.07 X T
$1,400 = 70 X T
T = 20 years
Suppose you are salaried at $52,350.00 a year.
A. Using 52 weeks in a year, what is your weekly gross pay?
B. Suppose you work an average of 40 hours a week, what is your average hourly rate
A. $52,350/52 = $1,006.73
B. $1,006.73/40 = $25.17
You are moving and comparing company rates. One company charges (Company A) $35.00 per hour and Company B charges $110.00 per truck load they have to move. They estimated that you have about 6 trucks loads of stuff and it takes about 3 hours and 30 minutes per truck load. Which company will give you the cheapest price? What is the total amount saved by using the cheaper company?
Company A: 3.5 X 35 = $122.50 per truck load
$122.50 X 6 = $735
Company B: 6 X $110 = $660
$735 - $660 = $75
Company B by $75
Aimee is decorating her new house. She found a table at Pier One for $425. She also bought two pillows that were $21.50 each and four placemats that were $12.95 each. If Aimee has a 30% off coupon, what would the sale price be?
$425 + 2($21.50) + 4($12.95) = $519.80
$519.80 X 0.30 = $155.94
$519.80 - $155.94 = $363.86
You are in the market for a new car. You think you want to buy a Honda Accord. The sticker price is $43,245. You have $7,000 to put down on the car. The bank is offering you 4.1% interest rate for 8 years. How much are your monthly payments?
$43,245 - $7,000 = $36,245
I = PRT
I = $36,245 X 0.041 X 8
I = $11,888.36
Total: $36,245 + $11,888.36 = $48,133.36
Monthly: $48,133.36/96 = $501.39
Carter makes $16.45 an hour, and worked 38½ hours last week. He earns 15% commission on all items that he sells to customers. If he sells $4,800 worth of items, how much in gross wages did he earn last week?
Hourly: 38.5 X $16.45 = $633.33
Commission: 0.15 X $4,800 = $720
Total: $633.33 + $720 = $1,353.33
Lake George is a popular field trip destination. This year, the senior class at Ballston Spa High School and the senior class at Saratoga Springs High School both planned trips there. The senior class at Ballston Spa High School rented and filled 5 buses with 255 students. Saratoga Springs High School rented and filled 6 vans and 1 bus with 123 students. Every van had the same number of students in it as did the buses. Find the number of students in each van and in each bus.
255/5 = 51 per bus
123-51=72 left over
72/6 = 12 per van