andresjohnston7
andresjohnston7 andresjohnston7
  • 14-08-2018
  • Mathematics
contestada

8th grade math question

8th grade math question class=

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ashhh28 ashhh28
  • 14-08-2018
360 mph; you just have to multiply the bottom row by 6 to get the top row, so 30•6=180 and 60•6=360
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gmany
gmany gmany
  • 14-08-2018

[tex] Distance=60+180+540+660=1,440\ mi\\Time=10+30+90+110=240\ min\\\\1h=60min\to1min=\dfrac{1}{60}h\\\\240\ min=240\cdot\dfrac{1}{60}h=4h\\\\v=\dfrac{d}{t}\to v=\dfrac{1,440}{4}\ mph=360\ mph [/tex]

Answer: 360 mph

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