kimlyn58p0wyn0
20.09.2020 •
Mathematics
The ratio of girls to boys in a a swimming club was 2 : 7. There were 49 boys. How many girls were there in the club?
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Ответ:
14
Step-by-step explanation:
Let, the no of girls and boys be 2x and 7x
here, 7x = total no of boys
or x =49/7
x=7
now, 7x = 7 × 7 = 49
2x = 2 × 7 = 14
The total no of girls in club are 14.
Ответ:
In a parallelogram, consecutive angles are supplementary.
Step-by-step explanation:
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