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vova2212 [387]
3 years ago
5

Henry drove 410 miles using 20 gallons of gas at this rate how many miles would he drive using 18 gallons of gas

Mathematics
1 answer:
Gre4nikov [31]3 years ago
8 0

Answer:

369\ miles

Step-by-step explanation:

we know that

Using proportion

\frac{410}{20}\frac{miles}{gallons}=\frac{x}{18}\frac{miles}{gallons}\\ \\x=18*410/20\\ \\x=369\ miles

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I understand there is a typo, so Belly and Billy are the same person. His age is represented as B, and Suzy's as S.

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Step-by-step explanation:

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1 = 2 (B + 1) - B - 10 => 1 = 2 B + 2 - B - 10  => 1 = B - 8 => B = 9

replacing in (1) S = 19

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