kdawg203
03.12.2021 •
Mathematics
The radius of a quarter circle is 10 cm. Find its perimeter. (Take a = 3.14)
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Ответ:
⚘Refer to the attachment!!
Ответ:
5+3+2 = 10
The divide the total number of marbles by the sum of the ratios.
130/10 = 13
And finally multiply the quotient by each of the three numbers in the ratio (5:4:3) to get the number of marbles that are each colour.
Red: 13 * 5 = 65
Blue: 13 * 4 = 52
Green: 13 * 3 = 39
Therefore, there are 52 blue marbles in the bag.