Answer:
7 1/2
Step-by-step explanation:
2 1/2 ÷ 1/3
Change to an improper fraction
(2*1+2)/2 ÷ 1/3
5/2 ÷1/3
Copy dot flip
5/2 * 3/1
15/2
Change to a mixed number
7 1/2
<span><span><span><span>I think is this 9<span>x8</span></span>+<span>x7</span></span>−x</span>+<span>13</span></span>
For this case we have the following inequality:
We must find an ordered pair of the form 
that meets the inequality.
Example:
<em>Pair 1: </em>
This pair does not satisfy the inequality.
<em>Pair 2:</em> 
This pair satisfies the inequality!
Thus, the pair meets the inequality.
Answer:
The average speed is 37 minutes
25 + 45 + 40 = 110
_____
3)110. 36.6
9
20
18
2
