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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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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
User Thomas Clayson
by
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2 Answers

5 votes

Answer:

12

Explanation:

405:20

81:4

243:12

User Nishant Bhindi
by
5.9k points
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

User Pent Ploompuu
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