The Gutierrez family and the Kim family both have pools. The Gutierrez family is filling their pool, which is modeled by the equation =
1
2 + 1. The Kim family is draining their pool,
which is modeled by the equation = −1.25 + 5. In both equations, represents the time in
hours and represents the depth of the water in the pool in feet. These two situations can be
described by the following system of equations:

y = 1/2x + 1

y= -1.25x + 5

x = 2.285 hours

y = 2.1425  feet

Step-by-step explanation:

Let us say that y represents the depth of the pool in feets and x represents the time in hours

The two set of equations are

y = 1/2x + 1

y= -1.25x + 5

Solving the above two equations we get

Subtracting eq (1) from eq (2), we get -

y-y = -1.25 x -0.5 x + 4

0 -1.75 x + 4

x = 4/1.75

x = 2.285 hours

y = 0.5 * 2.285 + 1

y = 2.1425  feet

a) 0.25x times 3. (could be wrong on equation.)

b) 2.25 pound of dark chocolate. (can i eat all the chocolate? plz? anyway, again, could be wrong, but i hope im right. all the chocolate together should be 5.25 pounds)

have a good day!

problem:

f(x) = - 2/3x + 5; f(5/2)

substitute 5/2 in for x:

f(5/2) = -2/3(5/2) + 5

simplify the right side:

f(5/2) = -5/3 + 5

f(5/2) = 10/3

f(5/2) = 10/3

i hope this !