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Mathematics 6 Online
OpenStudy (anonymous):

http://prntscr.com/71sejn

OpenStudy (igreen):

Plug in what we know into the equation.

OpenStudy (igreen):

\(\sf y = 1.66x + 15.40\) They used 300 cubic feet of water, and 1.66 represents the charge for every 100 cubic feet of water. 300 / 100 = ?

OpenStudy (anonymous):

3?

OpenStudy (igreen):

Yes, so we plug in 3 for 'x'.

OpenStudy (igreen):

\(\sf y = 1.66(3) + 15.40\) Simplify

OpenStudy (igreen):

Just simplify \(\sf 1.66(3)\)

OpenStudy (anonymous):

okay i get it thanks green

OpenStudy (anonymous):

increase or decrease?

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