Question

In March, Isaiah and Freddie had the same amount of money in their savings accounts. In April, Isaiah deposited $210 into his account. Freddie increased the money in his account by 15%. When they compared their balances, they found that they were still equal.

How much money did they both have in their accounts in March?

Answer 1

210=15% of march balance
balance=210×100/15=1400

Answer 2

Let the original amount in Isaiah and Freddie's accounts be x
15%of x=$210
15x/100=$210
x=210*100/15
x=$1400