Answers

2016-03-21T22:29:32+05:30

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 cost of eraser is x
cost of pencil is 3x=x
solutions
if x=1
3x=3

x=4
3x=12

x=5
3x=15

x=15

3x=45
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same again 3x=x is not possible until x=0
bro it is given the cost od perncil is three times the cost of eraser
even u have given the sae thing
just the change of variable
but i didnt assign it that's it
2016-03-21T22:30:22+05:30

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Let the cost of eraser be x and pencil be y
so y=3x

if x=1 then y=3,, x=2 then y=6,, y=1 then x=/3 ,, y=2 then x=2/3
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