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azamat
2 years ago
6

1. A car travels 30 miles on 3 gallons of gas. How many miles can the car go on 12 gallons?

Mathematics
1 answer:
astra-53 [7]2 years ago
6 0
1. 30/3=10/1
10*12=120 miles
2.40/8=5
9*5=45 for 9 hours
3.32.50/5=6.5
6.5*2=13
4.738/6=123
123*4=492
5.0.32/4=0.08
0.08*11=0.88
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<span>2x - 3y - z
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4vir4ik [10]

<u>Answer:</u>

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This solution is extraneous. Reason being that even if it can be solved algebraically, it is still not a valid solution because if we substitute back x=4, we will get two fractions with zero denominator which would be undefined.

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