maddy had twice as many stamps as simon. After maddy sold 60 stamps, simon had twice as many stamps as maddy. how many more stamps did maddy have than simon in the beginning

Step-by-step explanation:

Here are your equations:

M=2S

S=2(M-60) --> solve for M and S --> M=80, S=40

In the beginning, Maddy had 40 (80-40) more stamps than Simon.

easy its decreasing

step-by-step explanation:

because its top point is at the to of the graph on the left side (atleast from the veiw i see it) now if that top point wast in the lower part of the graph it would be increasing hope this have a nice day