Truman puts money into his savings account every time he gets paid. The table below shows how much he saves.
Amount Truman is paid $15 $30 $45
Amount Truman saves $1.50 $3 $4.50
Which of the following equations can be used to find the amount m Truman saves when he is paid $20?
A 0.10m = 20
B 20m = 0.10
C m = 10/20
D m = 20(0.10)