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MATH ALGEBRA (2ND TIME POSTING! ) Please Help!! :)

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The Cost of installing new kitchen cabinets is $150 for delivery for all the cabinets and an additional $45 to install each cabinet.

a) Develop a model to give the total cost for a set of n cabinets.

b) What is the total cost for a set of 18 cabinets?

c) Find the number of cabinets if the total cost was $735.

AND (2nd Question)
Membership in a tennis club costs $600 per year plus a $15 fee for each hour of court time.

a) Find a model that gives the total cost of playing tennis for h hours at this club in a year.

AND (3rd Question)

CoolCar rental agency charges $30 per day plus $.25 per mile.
a)Find a formula to compute the total cost of renting a car for on day and driving it for m miles.

  • MATH ALGEBRA (2ND TIME POSTING! ) Please Help!! :) -

    You're more likely to get help if you post your answers and the parts you don't understand.

  • MATH ALGEBRA (2ND TIME POSTING! ) Please Help!! :) -

    150 + cost per cabinet * number of cabinets
    thus if n cabinets then
    C = 150 + 45 n

    C for 18 = 150 + 45 * 18

    then 735 = 150 + 45 n
    solve for n

    Do the second one the same way.

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