Question

49. If the cost of 'y'pens is 135 rupees then cost of one pen is
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Answer 1

y pens = 135 rupees

1 pen = 135/y rupees

for example

y pens = 270 pens

270 pens = 135 rupees

1 pen = 135/270 = 1/2 rupeee

or in 1 rupee you can buy 2 pens

Answer 2

$\mathrm{\huge{\red{\underline{\underline{AnsweR}}}}}$

Cost of y pens = 135 rs.

Cost of 1 pen 135/y rs.

${\bold{\blue{\text{Hope It Helps♡}}}}$