Question

The cost of 8 pens is rupees 160 calculate the cost of 18 pens

Answer 1

Answer:

the cost of 8 pens is = Rs 160

therefore the cost of 18 pens = 18 ×160/8 = Rs 360

the cost of 18 pens is = RS 360

Answer 2

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Given :

Cost of 8 pens = 160 Rs.

To find :

The cost of 18 pens

Solution :

→ Cost of 8 pens = 160 Rs

→ Cost of 1 pen = $\frac {160}{8}$ = 20 Rs

→ Cost of 18 pens = 20 × 18 = 360 Rs

$\implies$ $\textbf {Hence, the cost of 18 pens is 360 Rs.}$

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