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Chapter 6: Q8. (page 287)

Pizza You know that 3 pizzas are enough to feed 12 people. Write and solve a proportion to find the number of pizzas that will feed 28 people.

Short Answer

Expert verified

7 pizzas will feed 28 people.

Step by step solution

01

Step 1.  Given

Given that 3 pizzas feed 12 people.

02

Step 2.  To determine

We have to writeand solve the proportion and find the number of pizzas that can feed 28 people.

03

Step 3.  Calculation 

Given that, 3 pizzas are enough to feed 12 people.

Let, x is the number of pizzas to feed 28 people.

So, the proportion is given by,

312=x28

Then we solve the equation:

312=x28312脳28=x28脳28divideeachsideby288412=xdividex=7

Therefore, 7 pizzas will feed 28 people.

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