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avanturin [10]
3 years ago
6

Gordon read 18 pages of a book about rockets in 40 minutes.What was the unit rate per minute?Per hour?

Mathematics
2 answers:
Tatiana [17]3 years ago
8 0
The rate per minute is 0.45.
The rate by hour is 27 pages per hour. What you do is just multiply 0.45 by 60(minutes in an hour).
attashe74 [19]3 years ago
3 0
You have to divide 18 by 40 which will give you .45 so the unit rate per minute is .45 and i don't know the unit rate per hour I'm sorry!!! i hope this helps!!!
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You have 20 quarters and then find 40% more and then spend 75% how much money do you have left
kirza4 [7]

You have $1.75 left

Step-by-step explanation:

Given,

Number of quarters already have = 20

Percent of quarters found = 40% of already have

Number of quarters found = \frac{40}{100}*20

Number of quarters found = \frac{800}{100}

Number of quarters found = 8

New total = 20+8 = 28 quarters

Percent of quarters spent = 75%

Number of quarters spent = \frac{75}{100}*28

Number of quarters spent = \frac{2100}{100}

Number of quarters spent = 21

Quarters left = 28-21 = 7

1 quarter = 25 cents

7 quarters = 25*7 = 175 cents

$1 = 100 cents

175 cents = \frac{175}{100}=\$1.75

You have $1.75 left

Keywords: division, addition

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mariarad [96]

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Read 2 more answers
Consider function fbelow.
Anon25 [30]

Answer:

Step-by-step explanation:

For this case we have a function of the form:

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