Yolanda is buying supplies for school. She buys n packages of pencils at $1.40 per package and m pads of paper at $1.20 each. What does each term in the expression 1.4n + 1.2m representa? What does the entire expression representa?

The entire expression represents the total money Yolanda spends on school supplies 1.4 represents 1.40 dollars per package and n represents the number of packages bought. For 1.2m, 1.2 represents 1.20 dollars per pad and m represents the number of pads bought