At a concession stand, one person purchased 3 drinks and 3 pretzels for $9.00. another person buys 4 drinks and 2 pretzels for $8.50. what is the price of one drink? let d=number of drinks let p=number of pretzels

huh? im pretty sure it is in 199

step-by-step explanation:

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: