dave walked to his friend's house at a rate of 4 mph and returned back biking at a rate of 10 mph. if it took him 18 minutes longer to walk than to bike, what was the total distance of the round trip?

i need on it

4 miles

Step-by-step explanation:

Walking:

Distance  = d miles

Rate = 4 mph

Time = t hours

Biking:

Distance = d miles

Rate = 10 mph

Time hours (convert minutes to hours)

Hence,

Therefore, the distance to friend's house is

and the total distance of the round trip is

true

step-by-step explanation:

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