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kipiarov [429]
3 years ago
6

Solve for the 12th one

Mathematics
1 answer:
Lemur [1.5K]3 years ago
5 0

Answer:

Step-by-step explanation:

s:m = 7:5

s = 7x, m = 5x

(7x+10):(5x+10) = 9:7

(7x+10)/(5x+10) = 9/7

7(7x+10) = 9(5x+10)

49x+70 = 45x+90

x = 5

s = 7x = 35, m = 5x = 25

Sonu is 35, Monu is 25

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