A train has an average speed of 18 miles per hour. How long will it take to travel 270 miles?

Mathematics

2 answers:

tia_tia [17]3 years ago

7 0

Step-by-step explanation:

1.) First, you need to find how many miles per hour (18), and how many miles (270)

2.) Next, you will need to divide 270 by 18, or 270/18.

3.) This will show you how many 18's you can get out of 270, or how many hours it will take to go 270 miles.

4.) After dividing, you will get 15.

Therefore, it will take you 15 hours to get from point A to point B.

skad [1K]3 years ago

3 0

It will take 15 hours. Because the train has a speed of 18 mph, you just have to divide 270 by 18 which makes 15. The train goes 18 mph, so it is 15 hours.

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What is the quotient of 42/3 divided by 4 1/5

Nutka1998 [239]

Answer:

$\large\boxed{4\dfrac{2}{3}\div4\dfrac{1}{5}=1\dfrac{1}{9}}$

Step-by-step explanation:

First step:

Convert the mixed numbers to the improper fractions:

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Divide by a fraction is the same as multiply by the reciprocal of this fraction.

Therefore:

$4\dfrac{2}{3}\div4\dfrac{1}{5}=\dfrac{14}{3}\div\dfrac{21}{5}=\dfrac{14\!\!\!\!\!\diagup^2}{3}\cdot\dfrac{5}{21\!\!\!\!\!\diagup_3}=\dfrac{2\cdot5}{3\cdot3}=\dfrac{10}{9}=1\dfrac{1}{9}$