Question

The cost of 46 pens Rs.137 what is the cost of one pen​

Answer 1

Answer:

cost of 46pens is 137

then

cost of 1pen is 137/46

=2.92

ok

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Answer 2

Step-by-step explanation:

pencil= x

pens= y

ATQ 5x+7y=50        (i)

7x+5y=46             (ii)

multiply (i)(ii) by 7 and 5

35x+49y=350

35x+25y=230

-     -         -

Subtracting

24y=120

y=5

5x+7(5)=50

5x=50-35

x=25/5=5

x+y

5+5=10Rs