2 years ago

PLZ HELP ILL GIVE BRAINLIEST I HAVE AN F IN MATH

1 answer:

5 0

the answer is 144,36,9

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Morgarella [4.7K]

Answer: D

Step-by-step explanation:

Let x represent the score on her next test

$\frac{78 + 92 + 88 + 89 + x}{5} = 90$

$(5)\frac{78 + 92 + 88 + 89 + x}{5} = (5)90$

78 + 92 + 88 + 89 + x = 5(90)

347 + x = 450

-347 -347

x = 103

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