Question

Each month for 5 months Sophie makes two quilts how many more quilts does she need to make before she has made 16 quilts

Answer 1

for 5 months, she's been making 2 quilts per month, so thus far she has made 2 +  2 +  2 +  2 +  2, now, how many more to get 16?  well, you'd know that surely.