Question

Each month, Helder volunteers x hours at the hospital and 8 hours at the local food bank. To find how many hours he will spend volunteering over 3 months, Helder calculates: x + 8 + x + 8 + x + 8 What is another way Helder can calculate how many hours he will volunteer in total over the 3 months? Drag and drop the equivalent expression in the box.
A. 3x + 8
B.3(x+8)
C. x + 24x + 8
D. x + 8

Answer 1

Another way the expression can be written is 3(x+8).

The problem is asking you to figure out how many hours were spend volunteering over 3 months. So both x and 8 (amounts of volunteer time in different places) will need to be multiplied by 3. Writing 3 next to a parenthesis is a way to say multiply.