emilysontay
emilysontay emilysontay
  • 01-12-2018
  • Mathematics
contestada

andrea drove 200 miles using 9 gallons of gas. At this rate, how many gallons of gas would she need to drive 420 miles?

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Rinkhals
Rinkhals Rinkhals
  • 01-12-2018

Given : Andre drove 200 Miles using 9 Gallons of Gas

⇒ Andre drives 1 Mile using [tex][\frac{9}{200}]\;Gallons\;of\;Gas[/tex]

⇒ Andre drives (420 × 1 Mile) using [tex][\frac{420\times9}{200}]\;Gallons\;of\;Gas[/tex]

⇒ Andre drives 420 Miles using 18.9 Gallons of Gas

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