Question
PSLE
Pierre saved a total of $128 in coins in his coin box. 512 of all the coins saved were one-dollar coins. There were 4 times as many one-dollar coins as ten-cent coins. The remaining coins were fifty-cent coins. How many coins did Pierre save in his coin box altogether?
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PSLE
Pierre saved a total of $128 in coins in his coin box. 512 of all the coins saved were one-dollar coins. There were 4 times as many one-dollar coins as ten-cent coins. The remaining coins were fifty-cent coins. How many coins did Pierre save in his coin box altogether?