In how many ways can a committee of 7 students containing 4 girls and 3 boys is to be selected from 7 girls and 6 boys?

Hint:3C6 × 4C7 now solve it

Step-by-step explanation:

Given that there are only 7 days left until the launch of our new product and we only have 668.00 left in our promotion budget. We need to spend 85.00 on the last day.

Hence amount left for remaining 6 days =

This can be spent for the remaining 6 days

If equal amount to be sent then we get

But we can round off and send in integral values means we can spread as

each day 100 dollars for first 5 days and on 6th day 83 dollars.