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makkiz [27]
4 years ago
13

In what year was her grandpa lopez twice as old as her dad?show how you know

Mathematics
1 answer:
RoseWind [281]4 years ago
8 0
So,

We are trying to figure out when Grandpa Lopez's age was twice that of Dad.

Let x represent the number of years before/after when G. Lopez's age was twice that of Dad.

66 + x = 2(37 + x)

Distribute.
66 + x = 74 + 2x

Subtract x from both sides.
66 = 74 + x

Subtract 74 from both sides.
-8 = x

So 8 years ago, G. Lopez was twice as old as Dad.  Let's check that.

66 - 8 = 58

37 = 8 = 29

29 * 2 = 58
58 = 58

It checks.
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1. ..............................................

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2...............................................

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3 . ..............................................

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