Question

Duane always uses 3/10 of money he earns mowing lawns to buy lawn supplies for the work. He puts the rest of the money in the bank. If Duane earned $80 last month mowing lawns, how much money did he put in the bank?​

Answer 1

$56

Duane puts 7/10 of his money into the bank.

7/10 of 80 is 56