Question

the ratio of cost of bottle and lunch box are 13:7 the cost of bottle is Rs 300 more than cost of lunch box what is the cost of lunch box​

Answer 1

Answer:

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Answer 2

Answer:

It has been explained below..

Step-by-step explanation:

let, cost of bottle=x rupees

cost of lunch box=y rupees

According to question,

case 1, x/y=13/7

therefore x=13y/7......(i)

case 2, x=300+y......(ii)

Now, putting value of equation (i) in equation (ii),we get;

13y/7=300+y

or, 13y=7(300+y)

or, 13y=2100+7y

or, 6y=2100

or, y=2100/6

therefore, y=350 rupees

so, x=300+350=650 rupees

that's the final answers