SOLUTION: You walk an average 3.2 mph on the way to school, and at an average of 4 mph on the way home. The total walking time is 18 minutes. How far away is the school?

Question 1013016: You walk an average 3.2 mph on the way to school, and at an average of 4 mph on the way home. The total walking time is 18 minutes. How far away is the school?

Answer by ikleyn(52776) (Show Source): You can put this solution on YOUR website!
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You walk an average 3.2 mph on the way to school, and at an average of 4 mph on the way home. The total walking time is 18 minutes. How far away is the school?
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Let x be the unknown distance from home to school.

Then you spend  hours for the way from home to school.
You spend  hours for the way from school to home.
The equation is 


 +  = ,   or

 +  = .

Can you solve it yourself?

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