The cost of three books and twelve pen is rs 27rs. if the cost of two books and X pens is 18 , find value of X.
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Answer:08
Step-by-step explanation:
The cost of 3 book+cost of 12 pen=27rs
Divide by 3/2 in equation
The cost of 2 book+cost of 8 pen=18rs
and according to question- the cost of two books and X pens is 18
soX=8
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