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12. The number of miles, y, traveled varies directly as time, x. If a group of tubers floating down the river traveled 9 miles

in two hours, how far would they travel in 5 hours? Write and solve a direct variation equation for this situation

y= 9/2x; x=10/9

y=2/9x; x=22.5

y=2/9x; y=10/9

Oy=9/2; y=22.5

Sagot :

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Answer: y=2/9x; x=22.5

Step-by-step explanation:

Float speed is 9 miles/2 hours, or (9/2) miles/hour (mph).

Distance,y = (Speed)*(Time, x)

y = (Speed)x

y = (9/2)x

If x = 5 hours,

y = (9/2)*5, or 22.5

y=2/9x; x=22.5

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