When asked how a person can measure out 1 gallon of water with only a 5gallon container and an 11gallon container, a student used the picture shown here.

0 11

5 6

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5 1

a. What was the student showing by this sketch?

A.Fill the 5gallon container and dump it into the 11gallon container once.B.Fill the 11gallon container and dump it into the 5gallon container twice.C.Fill the 5gallon container and dump it into the 11gallon container twice.D.Fill the 11gallon container and dump it into the 5gallon container once.

b. How can a 5gallon container and an 11gallon container be used to measure out 7 gallons of water? You may find it helpful to use a similar sketch.

A.From part a, start with 1 gallon in the 11gallon container, dump this into the

5gallon container, and then use a full 11gallon container to fill up the

5gallon container.B.Fill the 5gallon container and dump it into the 11gallon container three times.C.From part a, start with 1 gallon in the 11gallon container and dump a full

5gallon container twice into the 11gallon container.D.Fill the 11gallon container and dump it into the 5gallon container three times.