We can infer that more cups of flour are needed as the cakes are increased, so we can apply a rule of three, simple with direct proportion to find the answer:
12 cakes ----> 22 cups flour
30 cakes ----> x
x = (30)(22)/12
x = 55
therefore 55 cups of flour are needed to bake 30 cakes
In the problem -5+x=0, x=5
Answer:
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Step-by-step explanation:
