The cost of a book is four times the cost of a pen. Write a linear equation inin two variables for the given situation
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Answered by
14
let the cost of book be ₹ x
and cost of pen ₹y.
then by condition,
x=4y
x-4y=0
Hence the linear equation for this situation is x-4y=0
and cost of pen ₹y.
then by condition,
x=4y
x-4y=0
Hence the linear equation for this situation is x-4y=0
Answered by
1
Step-by-step explanation:
COST OF PEN=4X COST OF PENCIAL=X 4X+X=Y 5X=Y 5X-Y=0 WE GET, 5X-Y=0
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