John has $6 to buy school supplies. He buys 6 notebooks that are $0.52 each. He spends the remaining money buying erasers that are $0.16 each. If he has no money left over, how many erasers did he buy?

John bought 18 erasers.

Explanation: He has $6.00

He spends $3.12 on notebooks

Then you do $6.00 - $3.12 and you get $2.88

If it's ¢16 per eraser and he has no money left over after buying erasers than you would divide $2.88 by $0.16 which turns into 288 divided by 16 which comes out to 18.

Therefor John bought 18 erasers.