Question

The expression below represents Brianna’s age in

terms of m, Molly’s age.
3m − 5
Which of the following statements must be true?
A Brianna’s age is 3 less than 5 times Molly’s
age.
B Brianna’s age is 5 less than 3 times Molly’s
age.
C Molly’s age is 3 less than 5 times Brianna’s
age.
D Molly’s age is 5 less than 3 times Brianna’s
age.

Answer 1

Answer: B. Brianna’s age is 5 less than 3 times Molly age.

Explanation:

We are informed that the expression below represents Brianna’s age in

terms of m, Molly’s age.

3m − 5.

This shows that 3m simply means that 3 times of Molly's age while the -5 represent less than 5. This will now be:

Brianna’s age is 5 less than 3 times Molly age.