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Officialavm
21.06.2019 •
Mathematics
Acyclist bike x distance at 10 miles per hour .and returns over the same path at 8 miles per hour.what is the cyclist average rate for the round trip in miles per hour ?
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Ответ:
I believe the answer is 9, but I'm not sure.
(If I helped can i have brainliest pls? thanks)
Ответ:
8x:3x - number of blue chips is doubled
8x-3x=15
5x=15
x=3
So, there are 9 red chips