Question

A 4.5 Pound bag of apples costs 22.50 what is the unit price

Answer 1

$5 per pound

22.5 ÷ 4.5 = 5

Answer 2

so 

22.5 divided by 4.5 = 5

the reason why we take away the 0 in 22.50 is because the 0 has no value