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2 years ago

15

A skating rink charges a group rate of $9.25 plus a fee to rent each pair of skates. A family rents 7 pairs of skates and pays a

total of $39. How much does it cost to rent one pair of skates?

1 answer:

mojhsa [17]2 years ago

7 0

Answer:

4.25$ per pair of skates

Step-by-step explanation:

Subtract 9.25 from 39. You get 29.75. Just divide 29.75 by 7 and you get 4.25

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Step-by-step explanation:

The given equation is

$\dfrac{3}{x+4}+\dfrac{2}{x-4}=\dfrac{16}{(x+4)(x-4)}$

A.

Equate the denominators equal to 0 to find the restrictions on the variable.

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$x-4=0\Rightarrow x=4$

Therefore, $x\neq -4,4$ .

B.

We have,

$\dfrac{3}{x+4}+\dfrac{2}{x-4}=\dfrac{16}{(x+4)(x-4)}$

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