Question
Jeremy had 710 as many 20-cent coins as 1-dollar coins in his piggy bank. Each time, five 20-cent coins and six 1-dollar coins were taken out from the piggy bank. In the end, only five 20-cent coins and fourteen 1-dollar coins were left in the piggy bank. How many less 20-cent coins  than 1-dollar coins were there in the piggy bank at first?
4 m

Click button first when a symbol is required. X

Jeremy had 710 as many 20-cent coins as 1-dollar coins in his piggy bank. Each time, five 20-cent coins and six 1-dollar coins were taken out from the piggy bank. In the end, only five 20-cent coins and fourteen 1-dollar coins were left in the piggy bank. How many less 20-cent coins  than 1-dollar coins were there in the piggy bank at first?