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Lana71 [14]
3 years ago
9

How do I begin this problem for geometry?

Mathematics
2 answers:
nikitadnepr [17]3 years ago
8 0
X + 71 + x + 131=180
2x + 202=180
2x= -22
x= -11
kirill115 [55]3 years ago
6 0
X + 71 + x + 131 = 180
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<em>Comment on the working</em>

We could work this several ways. Perhaps most straightforward would be to determine how many gallons Sally bought last week, and multiply that by the change in price. Or, the number of gallons could be multiplied by the new price per gallon and the difference from the old purchase amount found.

If you look at the numbers, you see that we have effectively done it the first way. The change in price is $0.17 per gallon, and the number of gallons Sally bought is $26.40/$1.65.

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