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Choose a letter x, y, z, p etc...., wherever necessary, for the unknown (variable) and write the corresponding expressions:
If a notebook costs Rs p and a pencil costs Rs 3, then the total cost (in Rs) of two notebooks and one pencil.
Answers (1)
1 notebook cost= p rupees
2 notebooks cost =2p rupees
One pencil cost=3 rupees
The total cost (in Rs) of two notebooks and one pencil=2p+3
View full answer
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