the quantity of a number and 3 all divided by 4 equals -2
68 less than 5 times a number is 12
142 is added to half a number and the result is 64
what is the answers to all of these

alright well the answers to your question is

2xy/9 hope this have a nice day : )

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)

(1 km=1000m, 1m=100 cm)