During a promotion at Dale's Donuts, customers received a special price when they
purchased one doughnut and a drink. The doughnut and drink choices of the first
50 customers of the day are recorded below. Dale plans to extend the offer to the next
625 customers. Based on the data in the table, how many customers will purchase coffee
and a chocolate-filled doughnut?
Doughnut Number Drink Number
Plain glazed
18
Soda
Chocolate-iced 15 Coffee
Chocolate-filled 10
Juice 15
Powdered sugar
28

An airplane consumes fuel at a constant rate while flying through clear skies, and it consumes fuel at a rate of 64 gallons per minute while flying through rain clouds. let c represent the number of minutes the plane can fly through clear skies and r represent the number of minutes the plane can fly through rain clouds without consuming all of its fuel. 56c+64r < 900056c+64r< 9000 according to the inequality, at what rate does the airplane consume fuel while flying through clear skies, and how much fuel does it have before takeoff? the airplane consumes fuel at a rate of gallons per minute while flying through clear skies, and it has gallons of fuel before takeoff. does the airplane have enough fuel to fly for 60 minutes through clear skies and 90 minutes through rain clouds?