math

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To rent a home water softnener, there is an installation fee of \$60 plus a \$ 25 monthly fee.

Write a linear equaion to represent the total cost, y, of renting a water softener for x months.

Use th linear equation to compute the cost of renting the water softener for 6 months.

Use the linear equation to compute the cost of renting the water softener for 2 years.

• math -

y = 60 + 25x

I'll let you do the calculations.

• math -

Find the percent of decrease.

Original rent: \$600
New rent: \$450

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