Step-by-step explanation:
Susan has a high chance of picking a yellow marble because she has more yellow than any color
Answer: 11.5
Step-by-step explanation:
15 + 2x = 42
-15 -15
----- -----
2x = 23
----- ------
2 2
x = 11.5
Direct variation is of the form: y=kx (inverse variation is of the form y=k/x)
Assuming that k is positive :)
y increases as x increases and y decreases as x decreases. There is a direct ratio that is described by k. k=y/x.