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Ariana has grades of 71, 75 and 69 on her three of her test. What must she score on her 4th test in order to have an average of 70?

Ariana has grades of 71, 75 and 69 on her three of her test. What must she score on her 4th test in order to have an average of 70?
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Ariana has grades of 71, 75 and 69 on her three of her test. What must she score on her 4th test in order to have an average of 70?

Ariana has grades of 71, 75 and 69 on her three of her test. What must she score on-example-1
asked
User Dmitry Malys
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8.9k points

2 Answers

1 vote
The answer is 65. You can check this by adding all of them and dividing them by 4.
answered
User Satu
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8.9k points
3 votes
She has to score a 65 (a).

71 + 75 + 69 + (65) = 280

280 divided by 4 = 70.
answered
User Adarshaj
by
8.1k points
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