193,177 views
41 votes
41 votes
Darla and her friend Penny left their office at

the same time and began traveling down the
same road in the same direction. Darla traveled
at a speed of 65 mph while Penny drove at 70
mph. How many hours was it before Penny was
5 miles ahead of Darla?

User Sanatsathyan
by
3.2k points

1 Answer

16 votes
16 votes
The number of hours was it before Penny was
5 miles ahead of Darla is 1 hour.
Explanation:
Given : Darla and her friend penny left their
office at the same time and began traveling
down the same road in the same direction. Darla
traveled at a speed of 65 mph while Penny drive
at 70 mph.
To find : How many hours was it before Penny
was 5 miles ahead of Darla?
Solution:
The formula used - Distance = Speed × Time
Darla traveled at a speed of 65 mph.
Penny drive at 70 mph.
Let x be the number of hours taken by both.
Distance covered by Darla is d1 = 65 x2 = 65.
Distance covered by Penny is da = 70 x2=
702

The number of hours was it before Penny was
5 miles ahead of Darla is 1 hour.
User Sanjeev Saha
by
3.0k points
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