Question

If the cost of 13 chalk boxes is Rs.39, what will be the cost of 10 chalk boxes?​

Answer 1

Answer:

₹30 (as cost of one chalk box is ₹3)

hope it helps!!

Answer 2

${ \bf \underline {Solution}}$

Cost of 13 chalk boxes is Rs.39

Cost of 1 chalk boxes is Rs. $\frac{39}{13}$

Now, cost of 10 chalk boxes is Rs. $\frac{39 × 10}{13}$

Cost of 10 chalk boxes is = Rs. $\frac{390}{13}$

= Rs. 30

$\bf The \: cost \: of \: 10 \: chalk \: boxes \: is \: Rs.30 \: [Ans]$

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