SOLUTION: Assume that the number of defective basketballs produced is related by a linear equation to the total number produced. Suppose that 9 defective balls are produced in a lot of 400,

Question 230450: Assume that the number of defective basketballs produced is related by a linear equation to the total number produced. Suppose that 9 defective balls are produced in a lot of 400, and 19 defective balls are produced in a lot of 525.
Find the number of defective balls produced in a lot of 700 balls.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
What the problem is really asking is:
What is the straight line equation that goes
through the points (400,9) and (525,19)?
Then find the point on the line (x,y)
where is unknown, and
-------------------------------------------
I'll use the equation

where

and

Now I can find (700,y)

There will be 33 defective balls in a lot of 700
check answer:

OK

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