Distance = 250 miles, time spent = 4.5 hours
AVERAGE SPEED = DISTANCE/TIME
So AVERAGE SPEED =250/4.5 = 55.55 mi/h. The closest is 56 mi/h
Answer:
Step-by-step explanation:
The cost is given for <em>1 sweatshirt</em>. To find the cost of 15 sweatshirts, we need to multiply the expression by 15. Let's do this:
This is the expression that represents the cost of 15 sweatshirts.
If there are no restrictions, there can be;
6 ways x 6 ways x 6 ways x 6 ways x 6 ways x 6 ways = 6^6 ways for the letters a, b, c, d, e and f to be arranged.
However, if you want to arrange them so that each letter is used only once;
6 ways x 5 ways x 4 ways x 3 ways x 2 ways x 1 way = 6! ways
Hope I helped :)
