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September 1, 2015

Homework Help: Algebra 2 word problem

Posted by Paige on Wednesday, March 2, 2011 at 5:31pm.

Just wanted to check to see if these are correct. Thank you,

Please check
if a greyhound bus travels 7mph slower than the express bus. the express bus travels 45 miles in the time it takes the greyhound bus to travel 38 miles. find the speed of each bus

greyhound 38/x-7 express 45/x

38/x-7=45/x

38x=45x-315

-7x=-315

x=45

45-7=
38mph for greyhound
45mph for express

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