5 textbooks and 7 notebooks costs Rs.550 where 7 textbook sand 5 notebooks cost Rs.650. What is cost of 1 textbook and 1 notebooks
Answers
Answered by
5
Answer:
let cost of 1 textbook and 1 notebook be ₹x and ₹y
according to the question,
5x+7y=550
7x+5y=650
on solving these equations,
the value of x=95
the value of y=25
therefore ,
cost of 1 textbook=₹95
cost of 1 notebook=₹25
Answered by
1
Answer:
120 is the answer for your question
Step-by-step explanation:
hope it is helpful for you
Similar questions