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11.10.2019 •
Mathematics
Payton wrote a 4-page paper in 5 hours. how long would it take for her to write a 7-page paper?
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Ответ:
8.75 hours
Step-by-step explanation:
We can use ratios to solve. Put the pages over the time and set them equal.
4 pages 7 pages
=
5 hours x hours
Using cross products
4 * x = 5 *7
4x =35
Divide by 4 on each side
4x/4 = 35/4
x =8.75 hours
Ответ: