The "Negative" Zone (Integers)
Solve: -12 + (-9)
-21
Simplify: 4x + 2x - 5
6x - 5
A $120 coat is 40% off. What is the sale price?
$72
You buy a new smartphone for $800. If the sales tax rate is 8.875%, what is the total cost including tax?
$871.00 (Tax is $71.00)
If you roll two 6-sided dice, how many total possible outcomes are there?
36
-45 - (-12) + 8
-25
4x - 12 = 28
10
A $120 coat is 40% off. What is the sale price?
$0.056 (or about 6 cents)
You deposit $2,500 into a savings account with 4% simple interest. How much total money will be in the account after 2 years? (Interest + Principal)
$2,700 (Interest is $200)
You pull a card from a deck of 52. What is the probability it is a Red King?
2/52 (or 1/26)
(-3) x (-4) x (-2)
-24
3(2x - 4) + 5x
11x-12
A map scale is 1 inch = 25 miles. How many inches represent 162.5 miles?
6.5 inches
A car salesperson earns a 2.5% commission on every car sold. If they sell a truck for $44,000, how much commission do they make?
$1,100
In a bag of 20 marbles (5 red, 15 blue), what is the probability of picking red, NOT replacing it, then picking red again?
1/19 (or 20/380)
-5.25 / 0.5
-10.5
-4(x - 3) = 20
-2
The population of a town grew from 5,000 to 5,800. What is the percent increase?
16%
A restaurant bill is $60.00. You must pay 8.875% sales tax and you want to leave a 20% tip on the original $60.00. What is the total amount you pay?
$77.33 (Tax is $5.33 + Tip is $12.00)
A box plot has an Interquartile Range (IQR) of 15. If the lower quartile is 22, what is the upper quartile?
37
Convert 7/11 to a decimal (first three digits)
0.636 (repeating)
5x + 3 = 2x + 15
4
You leave a 20% tip on a $45.50 meal. What is the total bill?
$54.60
A jewelry store manager earns $3,000 a month plus 1.5% commission on all store sales. If the store sells $120,000 worth of jewelry, what is the manager's total pay for the month?
$4,800 (Commission is $1,800 + $3,000 base)
You have a bag of 10 marbles. 9 are red and 1 is blue. What word best describes the likelihood of picking a blue marble?
Unlikely