Price per shirt: $5, $10, $15, $20, $25
number of shirt sales: 50, 40, 30, 20, 10

what is the expected number of shirt sales?

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

my answer got deleted but it's a

step-by-step explanation: