Three sisters shared some oranges in the ratio of 5:3:2,if the one with the smallest ratio received 25 oranges,find the number of oranges shared

5 x + 3 x + 2 x = 10 x total

but 2 x = 25 so x = 25/2
so 10 x = 5*25 = 125 total
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check
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5 x = 5*25/2
3 x = 3 *25/2
2 x = 2 * 25/2 = 25
sum = 10 * 25/2 = 125