An interesting math problem:
Esther drove to work in the morning at an average speed of 45 miles per hour. She returned home in the evening along the same route and averaged 30 miles per hour. If Esther spent a total of one hour commuting to and from work, how many miles did Esther drive to work in the morning?
there are various ways to solve it, enjoy
18?
Esther did not drive to work. She is a troll.
18.75
what kind of car did she drive? i hope it was a toyota prius cause they are really good on gas.
RunHardWorkHardthinkeasy wrote:
An interesting math problem:
Esther drove to work in the morning at an average speed of 45 miles per hour. She returned home in the evening along the same route and averaged 30 miles per hour. If Esther spent a total of one hour commuting to and from work, how many miles did Esther drive to work in the morning?
there are various ways to solve it, enjoy
30*a = 45*b
a + b = 60
a = 3/2 * b
3/2 * b + b = 60
5/2 b = 60
b = 120/5 = 24 (.4 hrs)
a = 36 (.6 hrs)
(or just realize that you divide the hour by 5 from the beginning, but I'm just showing it)
30 * .6 = 45 * .4 = 18
It's a problem from Algebra 1 or maybe Algebra 2. Why would you post this?
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