Simple Interest
What is the equation for Simple Interest?
I = prt
A rectangle has length that is three times the width. If the perimeter is 64, what is the lengths and widths of the rectangle.
L = 24, W = 8
The sum of two consecutive numbers is 85. What are the numbers
42 and 43
Eric paid $85 to have his Ipad fixed after he left it outside in the rain. It costs $25 just to have someone look at it. They Charge an additional $20 per hour to fix it. How many hours did the repairman work on Eric's Ipad?
Find I if p=$3,000, r = 2%, and t = 9 years
I=$540
The length of a rectangle is three centimeters less than twice its width. If the perimeter of the rectangle is 18 centimeters, find the length and width.
L = 5 and W = 4
The sum of two consecutive numbers is 123. Find the Numbers.
61 and 62
Your cell phone stopped working and you had a parts warranty, but it didn't cover service charges. The repairman will charge $57 to look at it plus $38 per hour for the labor. If he works 3 hours, what will his bill be?
Tc = 171
Three-fourths of a number is 9. Find the number
n = 12
What is p if I = $148,750, r = 8.5%, and t = 25 years
p = 70,000
The second side of a triangle is twice the first side, and the third side is 7 less than the second side. The perimeter of the triangle is 93 feet. Find the sides of the triangle.
a = 20, b = 40, and c = 33
Find four consecutive odd integers whose sum is 256.
61, 63, 65, 67
Caleb took his corvette to replace the tires. The total bill for his four new tires is $850. The tire store charges Caleb $50 to dispose of his old tires. How much does each tire cost?
x = 200
Seven less than twice a number is 29. Find the number
n = 18
Find what r is if I = $1,360, p = 6,500, and t = 8 months
r = 32%
The first side of the triangle is 8 meters longer than twice the second side. The third side is 3 times the second side. The perimeter is 128 meters. Find the length of each side.
a = 48, b = 20, and c = 60
Two-Thirds of a number plus 7 equals 7 minus the number. Find the number.
0
Mr. Porkchop wants to go to England over the summer. He had to decide which airline to purchase tickets for his family of 4. US Air charged $565 per seat and a $250 charge for luggage. Delta's total charge was $700 per ticket. Which airline should Mr. Porkchop choose?
US Air
Eight less than 7 times a number is the same as 4 more than 3 times the number. Find the number.
n = 3
Find what r is if I = $1,125, p = $1,500, and t = 5 years
15%
The first side of a triangle is three more than twice the third side. The second side is four less than half of the third side. The perimeter is 146 yards. Find the three sides.
a = 87, b = 17, and c = 42
The larger of two numbers is 12 more than the smaller number. If the sum of the two numbers is 74, find the two numbers.
31 and 43
You are driving your car to school and all of a sudden the gauges go crazy and your car starts sputtering and smoking. You have to pull off on the side of the road. It will cost $58 to get a tow truck to pick you up. He then will charge $0.61 per mile. If your total bill was $71.42, how many miles did you have to be towed?
x = 22
Nine times the difference of a number and seven is the same as the product of eight and a number plus five. Find the number.
n = 68