Question

Divide 324 in the ratio of 1:2:9

Answer 1

x+2x+9x=324
12x=324
x=342/12=27
is your answer

Answer 2

1st part
$\frac{1}{1 \ + 2 + 9} \times 324 = 27$
2nd part
$\frac{2}{1 + 2 + 9} \times 324 = 54$
3rd part
$\frac{9}{1 + 2 + 9} \times 324 = 243$