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A math problem in the sixth grade of primary school ~ ~ (1closed when I was a child ~ ~ ~)
A to B =2:7, which is also equal to 6:2 1.

The ratio of b to c is 3: 7, which is also equal to 2 1:49.

So A-B-C equals 6:2 1:49.

6+2 1+49=76

The quotient of 2280/76 *6 is equal to 180 yuan.

B The quotient of 2280/76 *2 1 equals 630 yuan.

C has a quotient of 2280/76 *49 equal to 1470 yuan.

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