I NEED someone to explain how to do this. If you just give me a stupid answer, I will report you. I don't just want the answer, I want to know how to do it so I can learn. Thank you for understanding.

Sara's mom takes the parkway to work. It takes her 30 minutes to travel from mile marker 88 where she enters to her exit at mile marker 121. What is her average speed?

Question

kyla04kyla kyla04kyla

15-11-2017
Physics

contestada

I NEED someone to explain how to do this. If you just give me a stupid answer, I will report you. I don't just want the answer, I want to know how to do it so I can learn. Thank you for understanding.

Sara's mom takes the parkway to work. It takes her 30 minutes to travel from mile marker 88 where she enters to her exit at mile marker 121. What is her average speed?

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maliarae maliarae · Answer 1 · 2017-11-15T19:29:37+01:00

She is going 66 miles per hour.

As you know, speed is usually measured in miles per hour. The distance between the 88 mile marker and the 121 mile marker is 33 miles. That means Sara’s mom travelled 33 miles in 30 mins. You want to figure out how many miles she travelled in 60 minutes.

If she travelled 33 miles in 30 minutes, and 60 minutes is double 30 minutes, then Sara’s mom was traveling 66 miles per hour.