Two sisters open savings accounts with $60 each that their
grandmother gave them. The first sister adds $20 each month to her
account. The second sister adds $40 every two months to her $60. If
the sisters continue to make deposits at the same rate, when will they
have the same amount of money?
After two months because in two months, the first sister would have added $40 in total to her account. It is given that after two months, the second sister would make her first deposit of $40.
