Question
PSLE
Ivan saved a total of $30 in coins in his coin box. 13 of all the coins saved were one-dollar coins. There were 2 times as many one-dollar coins as twenty-cent coins. The remaining coins were ten-cent coins. How many coins did Ivan save in his coin box altogether?
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PSLE
Ivan saved a total of $30 in coins in his coin box. 13 of all the coins saved were one-dollar coins. There were 2 times as many one-dollar coins as twenty-cent coins. The remaining coins were ten-cent coins. How many coins did Ivan save in his coin box altogether?