Question

the principal and interest for 10 years together amounts to 900 dollars. If the interest is 4/5 of the principal, find the rate of interest.
Thanks for your help

Answer 1

Answer:

simple interest=

(*principle*rate of interest*time )/100

Step-by-step explanation:

4/5=(900*R*100)/100

4/5=(90000*R)/100

4/5=900*R

R=(900*5)/4

R=112.5%