She swims 12 laps on Monday.
Step-by-step explanation:
Total laps = 51 laps
Laps on Saturday = 15 laps
Let,
x be the number of laps on Monday, Wednesday and Friday each.
According to given statement;
Monday+Wednesday+Friday+Saturday = 51

Dividing both sides by 3

She swims 12 laps on Monday.
Keywords: addition, division
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The length of a football field is 91 meters which is equal to 0.091 km
so to run about 1km back and forth across the length of a football team, one will run for 1/0.091= 10.98 times which approximately 11 times.
Occurring continuously over period of time. OR. A situation or state of affairs that does not change.
Answer:
The picture is black, is it just me?