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