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kati45 [8]
4 years ago
7

Jenna drove 90 miles in 1 1/2 hours. How long will it take her to drive 300 miles?

Mathematics
1 answer:
oksano4ka [1.4K]4 years ago
8 0
I think I would set a proportion for this. 1 1/2 hours is 90 minutes. So 90 minutes and 90 miles.

90 300
—- = ——.
90 X

As you can see, miles on top and minutes on the bottom. Now, cross multiply. 90x = 300(90)
90x=27,000
Divide by 90 on both sides to get x alone.
90x/90= x 27,000/90=300

300 minutes would be 5 hours!
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Raphael is timing how fast he can do a series of 5
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Answer:

Time left for each question is less than 5.5 minutes

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Given that:

Raphael is trying to solve 5 math questions in less than 20 minutes.

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How much time is left with Raphael for each question so as to reach his goal.

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