Question
Divide $Rs. 3450$ among $A, B$ and $C$ in the ratio $3 : 5 : 7.$
✓
Answer
Let the value of $A$ be $3x,$ the value of $B$ be $5x$ and the value of $C$ be $7x.$
According to the question, $3x + 5x + 7x = 3450$
$\Rightarrow15\text{x}=3450$
$\Rightarrow\text{x}=\frac{3450}{15}$
$\Rightarrow\text{x}=230$
Hence, the value of $A$ is $3 \times 230 = Rs. 690$,
the value of $B$ is $5 \times 230 = Rs. 1150,$ and
the value of $C$ is $7 \times 230 = Rs. 1610.$
According to the question, $3x + 5x + 7x = 3450$
$\Rightarrow15\text{x}=3450$
$\Rightarrow\text{x}=\frac{3450}{15}$
$\Rightarrow\text{x}=230$
Hence, the value of $A$ is $3 \times 230 = Rs. 690$,
the value of $B$ is $5 \times 230 = Rs. 1150,$ and
the value of $C$ is $7 \times 230 = Rs. 1610.$
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