You start by writing your expression. Since each banner cost 28 per yard, you're going to multiply the price by the length by the number of banners she bought. (28)(17/8)(2)+(28)(25/8)=206.50
8 Sundaes
Sense its 4 spoonfuls per sundae our equation to find how many sundaes was made looks like this:
32÷4=8
