A boy earned $12.50 doing errands. He owes his mother $5.75. How much will he have left after he pays his mother

To find out how much the boy will have left after he pays his mother, we need to subtract the amount he owes from the amount he earned.

$12.50 - $5.75 = $6.75

Therefore, the boy will have $6.75 left after he pays his mother.