Question

Raju bought 5 notebooks and 4pens for 148 rupees .but he need only 4 notebooks and 5 pens. It cost 140 rupees only .What is price of a pen​

Answer 1

Answer:

12 rupees

Step-by-step explanation:

4*(5n+4p=148)---eq 1

5*(4n+5p=140)---eq 2

20n+16p=592 ---eq1

20n+25p=700--- eq2

___________________________

0n-9p=-108

-9p=-108

p=12

Answer 2

Answer:

answer will be 12

Step-by-step explanation:

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