Out of 45 customers at a breakfast café, 42 customers bought coffee or orange juice. There were 30 customers who bought orange juice and 40 customers who brought coffee. What is the probability that a randomly selected customer brought both coffee and orange juice? ​

i believe that the answer is

b. y-1=-2(x-4)

hope this !

7

step-by-step explanation:

step-by-step explanation:

total income = price of one ticket   *   number of tickets sold

  y                 =     4                                   x

so the equation is y=4x     with x≥0   because number of tickets sold can not be negative

thus the equation is a semi -line with an end point at

(0,0)

passing through :

x=1     y=4(1) = 4   so through (1,4)