Answers

2015-03-29T14:50:30+05:30
No.of pencils are 2⇒cost of two pencils=2x
no.oferasers are 3⇒cost of three erasers=3y
hence 2x+3y=9 is the required equation
0
2015-03-29T15:03:42+05:30
The total cost of 2 pencils is Rs 2X
The total cost of 3 erasers is Rs 3X
The girl pays Rs 9 for 2 pencils and 3 erasers
Therefpre, the required equation will be:-
2X+3Y=9
0
Sis, the total cost of 3 erasers is Rs 3Y.