SOLUTION: It tkaes a man 20 minutes longer to travel from his home to his place of business if he drives at a rate of 30 mph than if he drives at a rate of 40 mph. How many iles is his home

Question 935965: It tkaes a man 20 minutes longer to travel from his home to his place of business if he drives at a rate of 30 mph than if he drives at a rate of 40 mph. How many iles is his home from his place of business?

Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
It taes a man 20 minutes longer to travel from his home to his place of business if he drives at a rate of 30 mph than if he drives at a rate of 40 mph. How many miles is his home from his place of business?
***
let x=distance from home to place of business
travel time=distance/speed
20 min=1/3 hr
..
x/30-x/40=1/3
lcd:120
4x-3x=40
x=40
distance from home to place of business=40 miles
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