Question

wesley is traveling from california to utah. his trip covers a distance of 673.1 miles. for the first 3 hours, he travels at an average speed of 67.2 miles per hour. for the next 2 hours, he travels at an average speed of 69.5 miles per hour. wesley must travel miles farther before he reaches his destination. if wesley travels at a fixed speed of 66.5 miles per hour during the final leg of the trip, it will take him another hours to get there.

Answer 1

673,1 = 3*67,2+2*69,5+66,5*X
673,1 = 201,6+139+66,5X
673,1-201,6-139 = 66,5X
332,5 = 66,5X
X = 332,5/66,5
X = 5
It will take him another 5 hours.

Answer 2

332.5, 5 hours

Explanation:

its right on plato