Use the simple interest formula to find the ending balance.
$1500 at 7% for 1.5 years.
explain it, if possible.

1657.50

Step-by-step explanation:

The explanation is a little confusing and hard to go through but I will put a formula and some definitions for some help. :)

i = prt

i = interest

p = principal

r = rate

t = time

a = total of principal and interest

A = P (1 + r) t

n=9

step-by-step explanation:

7 times a number = 7n

decreased by 13 = 7n-13

same as is =

5 times the number = 5n

increased by 5 = 5n+5

7n-13 = 5n+5

2n=18

n=9

if she was to only spend a dollar she can get 1lb

step-by-step explanation: