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Deffense [45]
2 years ago
5

Maggie's brother is 10 years younger than twice her age. The sum of their ages is 32.

Mathematics
1 answer:
mixas84 [53]2 years ago
5 0

Answer:22

Step-by-step explanation:

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Step-by-step explanation:

PROPORTIONALITY:

Two quantities x and y are said to proportional to each other

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Here, k is called the PROPORTIONALITY CONSTANT.

⇒x \propto y \implies k = \frac{x}{y}  

Now, for the given quantities:

a.  $18.36 for 3 pizzas [box]    

Here, k = \frac{x}{y} = \frac{18.36}{3}  = 6.12

So, the proportionality constant is 6.12.

b. $4.17 for 3 pounds of bananas [box]

Here, k = \frac{x}{y} = \frac{4.17}{3}  = 1.39

So, the proportionality constant is 1.39.

c. $16.48 for 4 pounds of potatoes [box]

Here, k = \frac{x}{y} = \frac{16.48}{4}  = 4.12

So, the proportionality constant is 4.12.

d. 2 cups of flour to make 24 cookies

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So, the proportionality constant is 12.

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