Question

2. If 7 pens cost 140 rupees, what is the cost . of 13 such pens ?
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Answer 1

Here is Your Answer :-

•7 pens = 140/-
•1 pen = x

—> 7x = 140
—> x = 140/7
—> x = 20/-

•So, One pen costs 20/-..

—> 13 pens = 13 x 20 => 260/-

Hope it Helps You...

Answer 2

Answer:

78 Rs

Step-by-step explanation:

Cost of 10 pens isRs 60

Cost of 1 pen 60/10

Cost of 13 pens is 60/10×13=78 Rs