Help Please

Camden

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Nov 17, 2014
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Ned drives a total of 8 hours and travels 430 miles. He drives 35 mph on gravel roads and 60 mph on paved roads. How long does he drive on each surface?
 
Ned drives a total of 8 hours and travels 430 miles. He drives 35 mph on gravel roads and 60 mph on paved roads. How long does he drive on each surface?

If x were the number of hours driven on gravel and y the number of hours driven on paved road, what is x plus y? what is 35 x plus 60 y?
 
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