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alexdok [17]
1 year ago
11

David drives from his home to the airport to catch a flight. He drives 35 miles in the first hour, but realizes that he will be

1 hour late if he continues at this speed. He increases his speed by 15 miles per hour for the rest of the way to the airport and arrives 30 minutes early. How many miles is the airport from his home
Mathematics
1 answer:
sweet-ann [11.9K]1 year ago
7 0

The distance between David's home and the airport is 210 miles.

<h3>Distance traveled after 1 hour</h3>

let the distance traveled after first 1 hour = y

distance/speed = time

after 1 hour his speed = (35 + 15) = 50 mph

total time after 1 hour and 30 mins = 1.5 hr

y/50 + 1.5 = y/35

multiply through by350

7y + 525 = 10y

3y = 525

y = 525/3

y = 175 miles

In the first 1 hour, at 35 mph, distance covered = 35 miles

Distance from his home to airport = 175 miles + 35 miles = 210 miles

Thus, the distance between David's home and the airport is 210 miles.

Learn more about distance here: brainly.com/question/2854969

#SPJ1

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