gymnast277
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7 of 10
Sara was thinking of a number. Sara doubles it, then adds 7 to get an answer of 92.9. What
was the original number?

Respuesta :

coltsyamaha110

Answer:

42.95

Step-by-step explanation:

- 7 from 92.9 then divide by two

Answer:

42.95

Step-by-step explanation:

We just reverse the steps. So we take 92.9 and subtract by 7 to get 85.9. Then we divide that number by 2. So we get 42.95. To check our work, we can use this number and follow the steps Sara did. So 42.95*2=85.9+7=92.9

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