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Mathematics 21 Online
OpenStudy (anonymous):

Mary’s yard is a mess. She needs to hire someone to prune her trees and shrubs. A landscaping service she calls quotes her a price of $15 consultation fee plus $8 an hour for the actual work. Mary’s neighbor has offered to help her out. She doesn’t charge a consultation fee, but does charge $10 an hour for her work. Who do you think Mary should hire for a 3-hour job and why? a. Mary should hire the landscaping service; 3 hours of labor would cost $23, while the neighbor would charge $30. b. Mary should hire the landscaping service; 3 hours of labor would cost $30, while the neighb

OpenStudy (igreen):

@yungkrystal Did you see your last question?

OpenStudy (anonymous):

Yes I got a 1,000

OpenStudy (igreen):

Yep, you got it.

OpenStudy (anonymous):

Wanna help me on this question?

OpenStudy (igreen):

Sure.

OpenStudy (igreen):

Okay, we can set up two equations. Landscaping Service: 15 + 8x Mary's Neighbor: 10x Where x = hours.

OpenStudy (igreen):

We can plug in x = 3 into both of the equations: 15 + 8(3) 15 + 24 39 So the Landscaping Service will charge $39 for 3 hours. 10(3) Can you multiply 10 * 3? @yungkrystal

OpenStudy (anonymous):

30

OpenStudy (igreen):

What do you get?

OpenStudy (igreen):

Yep, so Mary's neighbor will charge $30 for 3 hours, and the Landscaping Service will charge $39. So which one do you think Mary should choose for 3 hours? @yungkrystal

OpenStudy (anonymous):

D

OpenStudy (igreen):

? I can't see option D..

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