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 represent? What does the entire expression represent?

1.4n + 1.2m

The first term represent the total cost of n pencils. and the second term represent the total cost of m pads of paper. The expression represents the total cost of all the items. Step-by-step explanation:

It is given that:

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.

This means that the total cost of pencils is: $ 1.40n

and total cost of pads of paper is: $ 1.20m

Hence, the total cost for the items is:

$ 1.40n+$ 1.20m

the entire expression represents how much money she will spend on school supplies depending on how much packages of pencils and pads of paper.