SOLUTION: Sam did 4 loads of laundry and it cost her $9. She did 6 loads of laundry and it coat her $13.50. Assume a linear relationship exists between the cost and the number of loads of la
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-> SOLUTION: Sam did 4 loads of laundry and it cost her $9. She did 6 loads of laundry and it coat her $13.50. Assume a linear relationship exists between the cost and the number of loads of la
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Question 559826: Sam did 4 loads of laundry and it cost her $9. She did 6 loads of laundry and it coat her $13.50. Assume a linear relationship exists between the cost and the number of loads of laundry. How much will Sam pay for 5 loads of laundry?
Thank You for the help. Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Plot Cost on the vertical axis
Plot Loads on the horizontal axis
Use the point-slope formula to get the equation
Multiply both sides by
For 5 loads of laundry,
He pays $11.25 for 5 loads
