Math, asked by krishnananda336, 4 months ago

the cost of 2 pen and 3 note book is 55. The cost of 2 pen and 4 note book is 70. Find the cost of one note book

Answers

Answered by bavani86

0

Answer:

the cost of one notebook is 15

Answered by imsreesankars

0

Answer:

the cost of one note book is 15 rs

Step-by-step explanation:

X be the cost of pen y be the cost of note book

Therefore , 2x + 3y = 55

and 2x + 4 y = 70

then by solving this 2 equation we get y = 15

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