Because α varies directley to β

(k = constant)
α=7 when β=2
7= 2k
k=
so when α=21
21=

b
b= 6
Using the speed - distance relationship, the number of minutes it will take Josiah to cover a distance of 2.5 miles is 30 minutes.
<u>Calculating Josiah's speed</u> :
- <em>Speed = (distance ÷ time) </em>
Speed = (3 ÷ 36) = 0.08333 miles per minute.
<u>Time taken to cover a distance of 2.5 miles</u> :
- <em>Time taken = (Distance ÷ Speed) </em>
Time taken = (2.5 ÷ 0.08333) = 30 minutes
Therefore, it will take 30 minutes for Josiah to cover a distance of 2.5 Miles
Learn more : brainly.com/question/18112348
Well 8 times 15 is 120 so once you know that 8 times 8 is 64 plus 45 witch is 109 so u would have to atleast take 8 classes for the member ship to be worth it. 8
Answer:
Step-by-step explanation:
15.5cm(40mi/2.5cm)=620mi/2.5
248mi