SOLUTION: Assume that the number of defective basketballs produced is related by a linear equation to the total number produced. Suppose that 10 defective balls are produced in a lot of 325

Question 520446: Assume that the number of defective basketballs produced is related by a linear equation to the total number produced. Suppose that 10 defective balls are produced in a lot of 325, and 17 defective balls are produced in a lot of 450. Find the number of defective balls produced in a lot of 550 balls.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Plot number of defective balls, , on the vertical axis
Plot the lot size, , on the horizontal
given:
2 points on the straight line
( 325,10 )
( 450,17 )
Use the point-slope formula

check:
( 450,17 )

OK
When ,

Rounding off, there are 23 defective balls
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