Question

In what time a certain sum of money will be 2.5 times at 10%rate of int
erest

Answer 1

Answer:

15 years

Step-by-step explanation:

let sum of sum of money equal to 10

@ 10% every year interest is equal to 1

so to become 2.5 Times sum of money amounts to 25

25-10=15 divides 1= 15 years