Answer:
1.637 x 10¹⁴ different playlists
Step-by-step explanation:
Since DJ Ali needs to choose 9 songs and wishes that the number of blues, country and jazz songs are the same, she needs to pick 3 songs of each type. The total number of ways she can choose the songs, without considering their order is:
The number of possible ways of ordering those nine song is:
There are 1.637 x 10¹⁴ different possible playlist.
Answer:
Each scholar have to sell 4 boxes in order to raise enough money to cover the team's travel expenses
Step-by-step explanation:
Let x denotes number of boxes to be sold by each scholar to raise enough money to cover the team's travel expenses.
Number of scholars = 7
Total number of boxes
Total number of chocolate bars
Price of 1 chocolate bar = $2
Price of chocolate bars
Also,
Total amount to be raised for travel expenses = $1680
So,
Therefore,
each scholar have to sell 4 boxes in order to raise enough money to cover the team's travel expenses
