Question
PSLE
Vaidev saved a total of $57 in coins in his coin box. 49 of all the coins saved were one-dollar coins. There were 2 times as many one-dollar coins as ten-cent coins. The remaining coins were fifty-cent coins. How many coins did Vaidev save in his coin box altogether?
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PSLE
Vaidev saved a total of $57 in coins in his coin box. 49 of all the coins saved were one-dollar coins. There were 2 times as many one-dollar coins as ten-cent coins. The remaining coins were fifty-cent coins. How many coins did Vaidev save in his coin box altogether?