Question

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

Answer 1

$let \: the \: ratios \: be \: 3x: 5x : 7x$
Sum of ratios is 3450
$3x + 5x + 7x \: = 3450$
$15 x = 3450$
$x = 3450 \div 15$
$x = 230$
$3x = 690$
$5x = 1150$
$7x = 1610$

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Answer 2

Answer:

3x+5x+7x=15

3450×3÷15=690

3450×7÷15=1610

3450×5÷15=1150