Answer:
7,500 seconds
Explanation:
First you must find how many 10,000 points are in 5 million:
5,000,000 ÷ 10,000 = 500
Then, multiply that number by 15 seconds. To find how long it will take. And that will give you the answer:
500 x 15 = 7,500 seconds
Hope this helps you out! : )