Question

Sandra buys 70 pencils with fuzzy tops. She gives 4 to each of her 15 classmates.

The expression for the number of pencils she has left is 70 – (4 • 15) .
Answer each question to identify the parts of the expression.
1. In this expression, what does 70 represent?
3. Is the expression 70 – (4 • 15) a difference of three terms, a product of two terms, or a difference of two terms?
Identify the terms in the expression.

Answer 1

See explanation.

Explanation:

In question 1, 70 represents the pencils with the fuzzy tops.

In question 2, The expression 70 - (4 × 15), is a difference in 2 terms because what you are doing first is you are multiplying 4 by 15. 4 × 15 = 60. then, subtract to get the difference. 70 - 60 = 10.

hope this helps.