Question

find the interest in the following cases: principal =$7000 and Amount =$9000​

Answer 1

formula =p×r×q/100

for this

p=principle

r=rate

q=time

p=7000 and amount =9000

then 7000 ×100×r/9000

=63000

and therefore the

r= 63000/1000r

r=63-100

therefore

r=27%