Question

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

Answer 1

Andrew's unit rate for swimming is 1 10/11 laps per minute.

Step-by-step explanation:

To find Andrew's unit rate for swimming, we need to calculate how many laps he swims in one minute.

First, we know that Andrew swims 7/11 of a lap in 1/3 of a minute.

To find the unit rate, we divide the distance (7/11 of a lap) by the time (1/3 of a minute).

(7/11 ÷ 1/3) = (7/11 × 3/1) = 21/11 = 1 10/11 laps per minute.

Therefore, Andrew's unit rate for swimming is 1 10/11 laps per minute.