A stadium has a seating capacity of 1000. When the ticket price is $30 attendance is 400. For each $1 decrease in price attendance increases by 50. a) What is the number of $1 decreases in price that will maximize the revenue?
b) What price per ticket will maximize the revenue?
c) What is the maximum revenue?
please help

what is the answer?

24

step-by-step explanation:

the graph shows 30% of students walk. 80 students were questioned, so the number that said they walk is

30% × 80 = 0.30 × 80 = 24

we have three similar triangles, because each has a right angle and shares an angle.   let's write the angles in order: opposite to short leg, long leg, hypotenuse.

cab similar to bad similar to cbd

or as ratios,

ca: ab: cb = ba: ad: bd = cb: bd: cd

we also know

ac = ad + cd

(ad+cd): ab: cb = ba: ad: bd = cb: bd: cd

(ad+cd)/cb=cb/cd

we have cb=6, ad=5 and seek x=cd.

we reject the negative root and conclude x=4

answer: 4

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c. histogram

step-by-step explanation: