Given
n packages of pencils are purchased at $1.40 each
m pads of paper are purchased at $1.20 each
Find
the meaning of 1.4n
the meaning of 1.2m
the meaning of 1.4n + 1.2m
Solution
1.4n is the number of dollars spent on packages of pencils
1.2m is the number of dollars spent on pads of paper
1.4n + 1.2m is the total amount spent on the supplies