13 = r/9 + 8
subtract 8 from each side
5 = r/9
multiply 9 from each side
r = 45
The answer is 45.6. You multiply the beginning amount to the interest rate to understand how much interest you get. Then multiply that by the amount of years the interest is gathered. 570 * .02 = 11.4 * 4 = $45.6 interest. Add this to 570 for the original amount of 615.6.
Answer:I think um.....60?divied something
Step-by-step explanation:Sorry I don't really know But I will look it up and tell u the answer....
Set up a proportion
12/144 = 17/y
cross multiply
12y = 144*17
12y = 2448
y = 2448/12
y = 204
Length x width equals area of rectangle. 301/2÷61/2=5
the width of the rectangle equals 5 inches.