The ratio of 3 number is 3:5:9. If the difference of the biggest and smallest number is 42 what is the sum of 3 numbers?
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The ratio of 3 number is 3:5:9
so, 3x:5x:9x
If the difference of the biggest and smallest number is 42
so, 9x - 3x = 42
6x = 42
x = 42/6
x = 7
sum of three numbers = (3*7) + (5*7) + (9*7) = 21+35+63 = 119
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so, 3x:5x:9x
If the difference of the biggest and smallest number is 42
so, 9x - 3x = 42
6x = 42
x = 42/6
x = 7
sum of three numbers = (3*7) + (5*7) + (9*7) = 21+35+63 = 119
#mark as brainliest
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