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5 books and 7 pens together cost Rs. 79 whereas 7 books and 5 pens together cost Rs. 77. Represent this situation in the form of linear equation in 2 variables.
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5 books and 7 pens together cost Rs. 79 whereas 7 books and 5 pens together cost Rs. 77. Represent this situation in the form of linear equation in 2 variables.

User Swarna Latha
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1 Answer

4 votes

Answer:


5b + 7p = 79


7b + 5p = 77

User Felixgaal
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