Question
P6.RD.TL.16010149-A2
Bobby had 57 as many 10-cent coins as 1-dollar coins in his piggy bank. Each time, seven 10-cent coins and nine 1-dollar coins were taken out from the piggy bank. In the end, only six 10-cent coins and ten 1-dollar coins were left in the piggy bank. How many less 10-cent coins  than 1-dollar coins were there in the piggy bank at first?
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STUDENT

Primary 6 RFPD P6.RD.TL.16010149

30 Jun 2024, 06:32 AM

Bobby had 57 as many 10-cent coins as 1-dollar coins in his piggy bank. Each time, seven 10-cent coins and nine 1-dollar coins were taken out from the piggy bank. In the end, only six 10-cent coins and ten 1-dollar coins were left in the piggy bank. How many less 10-cent coins  than 1-dollar coins were there in the piggy bank at first?
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