Y=68+4x
100=68+4x
-68=-68
32=4x
Divide both sides by 4
x=it will take 8 min. for the water to reach 100 degrees
y=total degrees
x=# of minutes
Answer:
3/5
Step-by-step explanation:
3/4 x 4/5 = 3/5
Answer:
5
Step-by-step explanation:
given that x and y are proportional, they can be expressed as y = rx, where r is the proportionality constant. Thus, we can solve for r by doing y/x in any given point.

Sarah
reason
she has the most consistent scores
I believe that the answer is 20. I am not entirely sure though.