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Setler79 [48]
3 years ago
8

Each week Rosario drive to an ice-skating rink that is 60 miles away. The road trip takes 2.75 hours. If he averages 55 mph on h

is way to the rink, which equation can be used to find X, the number of miles per hour he averages on his way home?
Mathematics
2 answers:
tigry1 [53]3 years ago
5 0
60(55)•60x=2.75 there's your answer
LenaWriter [7]3 years ago
5 0

Answer: The number of miles per hour he averages on his way home is 36 mph.

Step-by-step explanation:

Since we have given that

Distance traveled by Rosario = 60 miles

Time taken for road trip = 2.75 hours

Speed at which he on his way to the rink = 55 mph

Let X be the speed at which he averages on his way home.

So, According to question, we get that,

\dfrac{60}{55}+\dfrac{60}{x}=2.75\\\\1.09+\dfrac{60}{x}=2.75\\\\\dfrac{60}{x}=2.75-1.09\\\\\dfrac{60}{x}=1.659\\\\x=\dfrac{60}{1.659}\\\\x=36.16\\\\x=36\ mph

Hence, the number of miles per hour he averages on his way home is 36 mph.

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