Problema Solution
If 7 cakes serve 126 people , write an equation that can be used to determine the number of cakes needed to serve 400 people. How many whole cakes are needed to serve 400 people
Answer provided by our tutors
Let 'x' represent the number of cakes needed to serve 400 people.
Assuming the number of cakes is directly proportional with the number of people served we can write:
7 : 126 = x : 400
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click here to see the equation solved for x
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x = 22.2 cakes
This means that 23 whole cakes are needed to serve 400 people.