A large pizza is cut into 12 slices, so several friends can each have 3 slices. If p represents the number of friends, which equation shows an equality between two different ways of expressing the number of slices

Question

Mathematics

Travis Rice

30 March, 21:40

A large pizza is cut into 12 slices, so several friends can each have 3 slices. If p represents the number of friends, which equation shows an equality between two different ways of expressing the number of slices

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Answers (1)

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Frank Key · Answer 1

3p=12

Step-by-step explanation:

Each friend has 3 slices of pizza so the total number of slices of pizza is equal to 3+3 + ... + 3 (p times). This sum is equal to 3p. In total, there are 12 slices of pizza then 12=3p.

You can also find out the number of friends. Dividing by 3 in both sides of the previous equation, 4=p so there are 4 friends. To verify this, assume that there are 4 friends and 12 slices of pizza. The number of slices that each friend must to be equally divided is 12/4=3 (numerator = number of slices) (denominator=number of people you will divide the pizza).