A full glass of water can hold 1/6 of a bottle. How many glasses of water can be filled with 3 1/2 bottles of water.

21 glasses of water.

Step-by-step explanation:

You can do a proportion.

or

1 glass/1/6 of a bottle.

x glasses/3.5 bottles.

You can cross multiply.

1/6 times x is 1/6x

1 times 3.5 is 3.5/

1/6x=3.5.

do the reciprocal of 1/6 which is 6.

So, 6 times 3.5 is 21.

Therefore, you have 21 glasses of water.

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step-by-step explanation: