one pen costs 15 and one pencil costs 3. what is the total cost of x pens and y pencils?
Answers
Answered by
17
Step-by-step explanation:
cost of 1 pen = 15
cost of x pen = 15x
cost of 1 pencil = 3
cost of y pencil = 3y
cost of xpen and y pencil= 15x+3y
....666....
Answered by
9
Answer:
cost of one pen = Rs.15
cost of x pens = Rs.15x
cost of one pencil = Rs.3
cost of y pencils = Rs.3y
total cost of x pens and y pencils = Rs.(15x + 3y)
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