Question

Dexter's lawn is 2/3 of an acre. If 7 1/2 bags of fertilizer are needed for an acre, how much will he need to fertilize his lawn?

Answer 1

2/3 of 7 and 1/2
'of' means multiply

7 and 1/2=14/2+1/2=15/2

2/3 of 15/2=2/3 times 15/2=30/6=5

answer is 5 bags