Question

The cost of 10 pencils is rs 30 what is the cost of 13 pencils

Answer 1

Answer:

$hello \: mate \\ cost \: of \: 10 \: pencl \: is = 30 \: rs \\ cost \: of \: 1 \: penci = \frac{30}{10} = 3 \\ so \: the \: cost \: of \: 13 \: pencil \: is \: 13 \times 3 = 39 \\ \\ proved$

Answer 2

Answer:

Cost of 10 pencils = Rs.30

Cost of 1 pencil = 30/10 = Rs.3

Cost of 13 pencils = 13 × 3 = Rs.39

Step-by-step explanation:

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