The "period" of a repeating function is the change in x between consecutive identical values...in this case 3 units.
O.533333333,basically 8 divide by 15
2.5 b = 27.5
b = 27.5 / 2.5
b = 11
Ok. he jogs 10 laps in a day and each lap is 40 m so 10 times 40 is 400
he jogs 400 meters in a day then multiply that by 5 for the week
400 times 5 is 2000
he jogs 2000 meters each week
