Discussion Forum

If 15 toys cost Rs. 234, what do 35 toys cost ?

Answer:

Explanation:

Let the required cost be Rs. $x$. Then,

More toys, More cost (Direct Proportion)

$\therefore 15:35::234:x$

$(15\times x)=(35\times 234)$   

$x=\frac{35\times 234}{15}$ $= 546$.

Hence, the cost of 35 toys is Rs. 546.