Question

The price of 6 books is 3000/7 and price of 10 pens is 1200/11 Find the price of 2 books and 3 pens.​

Answer 1

Answer:

Total cost is = Rs $\frac{13520}{77}$

Explanation:

Cost of 6 books = Rs $\frac{3000}{7}$

So, cost of one book = Rs $\frac{3000}{7*6}$ = Rs $\frac{500}{7}$

Price of 10 pens =  Rs  $\frac{1200}{11}$

So, price of one pen = Rs $\frac{1200}{11*10}$ = Rs $\frac{120}{11}$

So, price of 2 books = Rs $\frac{2*500}{7}$ = Rs $\frac{1000}{7}$

Price of 3 pens = Rs $\frac{3*120}{11}$ = Rs $\frac{360}{11}$

So, their total cost = Rs $(\frac{1000}{7}+\frac{360}{11})$ = Rs $\frac{13520}{77}$

Hope it helps......

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