Dante drove 405 miles using 20 gallons of gas.At this rate,how many gallons of gas would he need to drive 243 miles

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asked Sep 2, 2023 21.0k views

15 votes

Dante drove 405 miles using 20 gallons of gas.At this rate,how many gallons of gas would he need to drive 243 miles

Dante drove 405 miles using 20 gallons of gas.At this rate,how many gallons of gas-example-1

Mathematics
college

Thomas Clayson asked

by Thomas Clayson

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5 votes

Answer:

Explanation:

405:20

81:4

243:12

Nishant Bhindi answered Sep 2, 2023

by Nishant Bhindi

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6 votes

$\begin{array}{ccll} miles&gallons\\ \cline{1-2} 405&20\\ 243&g \end{array}\implies \cfrac{405}{243}=\cfrac{20}{g}\implies \cfrac{5}{3}=\cfrac{20}{g}\implies 5g=60 \\\\\\ g = \cfrac{60}{5}\implies g = 12$

Pent Ploompuu answered Sep 8, 2023

by Pent Ploompuu

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