Question

the cost of science book is 5 times the cost of an English Reader if a man purchase 5 English Reader and 3 science book and paste rupees 300 to the Shopkeeper find the cost of an English Reader and a science book​

Answer 1

Answer:

Cost of an english reader=x=Rs.15

Cost of a science book=5x=5×15=Rs.75

Step-by-step explanation:

Let the cost of english reader be x

Then, cost of science book be 5x

Cost of 5 english reader books = 5×x=5x

Cost of 3 science books = 3×5x = 15x

A/Q

5x+15x=300

20x=300

x=300/20

x=15

x=Rs.15

Here,

Cost of an english reader=x=Rs.15

Cost of a science book=5x=5×15=Rs.75

{{{{{{{{{{{{{{{ Hope it helps }}}}}}}}}}}}