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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 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
asked
User Thomas Clayson
by
8.3k points

2 Answers

5 votes

Answer:

12

Explanation:

405:20

81:4

243:12

answered
User Nishant Bhindi
by
7.9k 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

answered
User Pent Ploompuu
by
8.6k points
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