1. 5 pens and 6 pencils together cost Rs. 9.00. and 3 pens and 2 pencils cost Rs. 5.00. Find the cost of 1 pen and 1 pencil. ( Solve in elimination method ).
2.Solve 6y = 3/2
Answers
Answered by
6
let cost of one pen= x
cost of one pencil =y
5x+6y= 9. -(1)
3x +2y=5. -(2)
multiply by 3 in equal. 2
5x+6y=9
9x+6y=15
- - -
-4x=-6
x=1.5
y=.25
cost of one pencil =y
5x+6y= 9. -(1)
3x +2y=5. -(2)
multiply by 3 in equal. 2
5x+6y=9
9x+6y=15
- - -
-4x=-6
x=1.5
y=.25
Answered by
0
Answer:
Cost of 1 pen = 3/2
Cost of 1 pencil = 1/4
Step-by-step explanation:
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