Answers

2014-12-27T14:04:12+05:30

This Is a Certified Answer

×
Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
She deposited $7500. So it is the principal.
At the end of  years, she had total of $8700. 
So the total amount is $8700 and the time period is 2 years.
Interest = Total amount - principal = $8700 - $7500 = $1200
We need the rate of interest.

we know that Interest = PTR/100
⇒1200 = 7500*2*R/100
⇒R = 1200*100/7500*2
⇒R = 120000/15000 = 8%

Rate of interest is 8%
2 3 2
2014-12-27T14:42:28+05:30
PRINCIPLE = $7500
amount = $ 8700
simple interest = $ 8700 - $ 7500
= $ 1200
time  = 2 years
rate = (simple interest ×100)÷(principle × time)
= (1200×100)÷(7500×2)
= 8%
1 5 1