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Ruth baked 15 cookies with 3 scoops of flour. How many scoops of flour does Ruth need in

order to bake 50 cookies? Assume the relationship is directly proportional.

User Roya
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1 Answer

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15 cookies / 3 scoops of flour = 50 cookies / x

now we find x

50/15 is 3.33333333 but we round it to 3, and so we multiply 3 scoops of flour with 3 which is 9

x = 9 scoops of flour
User Dru Freeman
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