melissa2002 melissa2002

24-10-2017
Mathematics

contestada

Molly is thinking of a number between one and ten. She multiplies the number by five and adds eight. Her final answer is seven times her original number. Can you guess Molly’s original number?

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texaschic101 texaschic101

24-10-2017

5x + 8 = 7x
8 = 7x - 5x
8 = 2x
8/2 = x
4 = x <== the number

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