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Liula [17]
2 years ago
9

The average of four numbers is 85. If three of the numbers are 76, 78, and 81, what is the

Mathematics
2 answers:
valkas [14]2 years ago
8 0
The fourth number would be 105 like 98% sure
defon2 years ago
6 0
105 not sure like 96% sure
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Answer:

figure skates will be $1 cheaper.

Explanation:

<u>given equation</u>:

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<u>solve for rent of figure skates</u>:

f(x) = 1.50x + 2.00

f(3) = 1.50(3) + 2.00

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h(x) = 2x + 1.5

h(3) = 2(3) +1.5

h(3) = 7.5

<u>cheaper - figure skates than hockey skates</u>:

$7.5 - $6.5

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