Answer:
Step-by-step explanation:
1.
one dollar = $1
2 1/2 = 2.5
$1 / 2.5 = $0.40 or 40 cents
2.
$3.78 / 6 = $0.63 or 63 cents
3.
$1.56 / 20 = $0.078
4.
1 1/2 = 1.5
$1.58 / 1.5 = $1.053
5.
$3.90/5 = $0.79 or 79 cents
