Let p = pictures only
let f = pictures with frames
p + f = 100
5p + 10f = 875
Solve for one variable in the first equation then plug into the second
p = 100 - f
5(100 - f) + 10f = 875
500 - 5f + 10f = 875
500 + 5f = 875
5f = 375
f = 75
75 pictures with frames were sold
Answer:
I am not 100% about this, but I think that Z=46 Y=30 and X=45
Step-by-step explanation:
The graph of g(x) is just the graph of f(x) shifted down vertically 7 units