Friday, March 9, 2012

Does this involve rate times time equals distance? or no? Please help me.?

On a trip to Death Valley National park to Redwood national park, the Sampson family wants to travel at least 420 miles in 8 hours of driving. What must be their average rate of speed?Does this involve rate times time equals distance? or no? Please help me.?
Yes, but you know time and distance and want rate so the equation is x * 8 hours=420 miles.



To solve divide both sides by 8 to get x=420/8.



x = 52.5 miles per hour
420 miles / 8 hours = 52.5 miles / hour.Does this involve rate times time equals distance? or no? Please help me.?
You think math questions are geography questions just because the math question mentions a place name. Wrong!

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