An auditorium has 10 rows with 22 seats in each row. there are 160 people seated. how many seats are empty? A.100 seats
B.80 seats
C.60 seats
D.40 seats

answer: for each 3 girls there is 2 boys . 3: 2

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(-1,-0.5)

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)