Andrew participates in a 100-meter freestyle event at an international swimming competition. one lap of the race is 50 meters. andrew swims 7/11 of a lap in 1/3 of a minute.
andrew's unit rate for swimming is how many laps per minute ?

a: 1/11
b: 1 3/7
c: 1 10/11
d: 2 1/3

Andrew's unit rate of swimming is . The correct option is C:1 10/11

From the question,

Andrew swims 7/11 of a lap in 1/3 of a minute.

To determine Andrew's unit rate for swimming in laps per minute, we will divide the distance Andrew covers by the time spent to cover that distance.

Using the formula,

From the question

Distance = 7/11 lap

and

Time = 1/3 minute

Then,

∴

Hence, Andrew's unit rate of swimming is . The correct option is C:1 10/11

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