Question

Divide 3450 among A,B andC in the ratio 3:5:7.

Answer 1

A--> 690, B--> 1150, C-->1610

Add the ratios , 3+5+7 = 15

3450/15 = 230

multiply each ratio by 230, you get

3 x 230: 5 x 230: 7 x 230

which is equal to

690:1150:1610

therefore, A--> 690, B--> 1150, C-->1610

Answer 2

let be the part of 3450 are in ratio of 3:5:7

3x,5x,7x



then,

3x+5x+7x = 3450


15x = 3450

x= 3450/15

x= 230



then,


3x = 3×230

= 690




5x = 5×230

=. 1150



7x = 7× 230

7x = 1610




check the answer




690+1150+1610 = 3450



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