In May, Liam and Charlie had the same amount of money in their savings accounts. In June, Liam deposited $140 into his account. Charlie said he increased the money in his account by 5%. When they compared their balances, they found that they were still equal.

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

Question

In May, Liam and Charlie had the same amount of money in their savings accounts. In June, Liam deposited $140 into his account. Charlie said he increased the money in his account by 5%. When they compared their balances, they found that they were still equal.

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

Vocaloid · Answer

A flat increase of 140 in one account is equal to a 5% increase in the other account 
x + 140 = 1.05x

Solve for x