Sam wants to know how long it will take to fill his baby pool that holds 24 gallons. After 1 minute, there are 2 gallons of water in the pool. He plots the points (0,0) and (1,2) on his coordinate plane. What is the x-value of the point (x, 24)?
A) 6
B) 12
C) 23
D) 25

answer:

the answer is B 12

Step-by-step explanation:

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answer:

When doing this on a graph, you can just continue to plot the points until you reach the x-value of the point (x, 24). But there's an easier way to do that.

List what you know about the problem so far:

1 min  =  2 gal

So, now that we know that, we can list what we need to solve:

x min  =  24 gal

Now, you can simply divide 24 by 2 to get the number of minutes it would take to fill up 24 gallons.

24 ÷ 2 = 12

So,

x = 12

So, 

12 min  =  24 gallons

It would take 12 minutes to fill the 24 gallon holding pool. Which mean the coordinate point would be (12, 24).

Your answer should be   B )  12