Question

(c) Rs.6500
(d) Rs.7290
7. 5 pens and 2 pencils together cost Rs.34 and 3 pens and 2 pencils cost Rs.22. Find the cost of 2
pens​

Answer 1

Answer:

Rs.12

Step-by-step explanation:

assume,

cost of pen=x and

cost of pencils=y

then equation becomes

1).........5x+2y=34

2).........3x+2y=22

substract eq2 from 1 weget

2x=12

hence,

x=6

..cost of 2 pens=2x=2×6

=Rs.12

Answer 2

Answer:

ANSWER AT THE BOTTOM

Step-by-step explanation:

cost of pen = x

and cost of pencils = y

then equation becomes

1) .5x + 2y = 34

2) .3x + 2y = 22

substract eq2 from 1 weget 2x = 12

hence, x = 6 cost of 2 pens = 2v = 2x6=RS.12

SO ANSWER IS RS 12