Beverage Dispenser U and Beverage Dispenser V have a total amount of 1900 mℓ of water. For Beverage Dispenser V and Beverage Dispenser W, the total amount of water is 4374 mℓ. The amount of water in Beverage Dispenser U is ³₅ the amount of water in Beverage Dispenser W. What is the average amount of water in the 3 beverage dispensers?
Beverage Dispenser U = 3 u
Beverage Dispenser W = 5 u 

Beverage Dispenser V + Beverage Dispenser U = 1900 --- (1)
Beverage Dispenser V + Beverage Dispenser W = 4374 --- (2)

(2) - (1)
(Beverage Dispenser V + Beverage Dispenser U) - (Beverage Dispenser V + Beverage Dispenser W) = 4374 - 1900
5 u - 3 u = 2474
2 u = 2474

1 u = 2474 ÷ 2 = 1237
Beverage Dispenser U = 3 u = 1237 x 3 = 3711

Beverage Dispenser U + Beverage Dispenser V + Beverage Dispenser W = 3711 + 4374 = 8085 mℓ

Average amount of water in the 3 beverage dispensers
= 8085 ÷ 3 
= 2695 mℓ

Answer(s): 2695 mℓ