A cake recipe calls for two eggs per cake. Sydney used 20 eggs in this recipe for a bake sale. How many cakes did she bake? 20 cakes 10 cakes 2 cakes 40 cakes

1 Answer
marfre
May 9, 2018

#10# cakes

Explanation:

Given: cake recipe requires #2# eggs per cake. Used #20 # eggs.

One way to solve is to set up a proportion:

#(2 " eggs")/(1" cake") = ( 20 " eggs")/(x " cakes")#

Use the cross-product to solve: #(a/b = c/d) => a*d = b*c#

#2x = 20#

#x = 20/2 = 10" cakes"#

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