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kipiarov [429]
3 years ago
15

June was thinking of a number. June doubles it, then adds 18 to get an answer of 90.7. What was the original number?

Mathematics
1 answer:
stiv31 [10]3 years ago
8 0

Answer:

81.7

Step-by-step explanation:

90.7-18 divided by 2 = 81.7 or 82 simplified

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Jack's last six scores are 75,78,83,80,79,84. If he scores a 90 on the next test, by how much will his mean test score increase?
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