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Mathematics 20 Online
OpenStudy (anonymous):

Algebra!

OpenStudy (anonymous):

4. Susan rented a flat at $200 per week. She also had to pay a deposit of $1400. Part A: Write a function to show the total amount of money f(x) that Susan has to pay for renting the flat for x weeks. (4 points) Part B: What is the total rent that Susan has to pay for using the flat for 12 weeks? (4 points) Part C: If the deposit amount decreases by $100, what would be the total rent for 6 weeks? (2 points) Part A: F(x) = Part B: What is the total rent that Susan has to pay for using the flat for 12 weeks? Plug and chug! Part C: If the deposit amount decreases by $100, what would be the total rent for 6 weeks?

OpenStudy (anonymous):

f(x) = 200x - 1400

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

@GodlyMaths help me plz!

OpenStudy (anonymous):

Oops, is was 200x + 1400 because she's paying for it.

OpenStudy (anonymous):

f(12) = 200(12) + 1400 f(12) = 3800

OpenStudy (anonymous):

Part C: f(6) = 200(6) + 1300 f(6) = 2500

OpenStudy (anonymous):

Do you need explaining for any of these?

OpenStudy (anonymous):

@mely1014

OpenStudy (anonymous):

yeah sorry my intern is slows but I dont need explaining

OpenStudy (godlovesme):

Do u need any help? :)

OpenStudy (anonymous):

yeah in part b please

OpenStudy (godlovesme):

Part b is f(12)= 200(12)+1400 F(12)= 2400+1400 F(12)= 3800 :)

OpenStudy (anonymous):

thank you!!

OpenStudy (godlovesme):

My pleasure!!!!! :D

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