Mineral water

The bottle contains 1.5 liters of mineral water. Pour all the water from the bottle into empty cups with a volume of 1/3 l. All but one will be filled to the brim. What part of the volume of the last cup is filled with water?

Correct answer:

x =  0.5

Step-by-step explanation:

V=1.5 l V1=1/3=130.3333 l  n=V/V1=1.5/0.3333=5  V2=V(n1) V1=1.5(51) 0.3333=160.1667 l  x=V2V1=0.16670.3333=12=0.5

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