Question

Jenna used 3¼ cups of butter for her secret sugar cookie recipe. Her recipe bakes 18 cookies. If she needs to bake 45 cookies for her school’s bake sale, how many cups of butter should she use?

Answer 1

well, 45/18 = 2.5

So she will need 2.5 as much of everything in her recipe

what is 2.5*(3 1/4) ?

do it as 2.5*3.25 or (5/2)(13/4)

Explanation: