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Xavier is starting a running plan to train for a race. In the first week of his running plan, Xavier will run 14 miles. The plan calls for Xavier to increase his weekly mileage by 1.5 miles every week. If Xavier sticks to the plan, how many miles would he be expected to run during his 6th week of the training plan?
Answer: □ miles

Xavier is starting a running plan to train for a race. In the first week of his running plan, Xavier will run 1414 miles. The plan calls for Xavier to increase his weekly mileage by 11.55 miles every week. If Xavier sticks to the plan, how many miles would he be expected to run during his 66th week of the training plan?\newlineAnswer: \square miles

Full solution

Q. Xavier is starting a running plan to train for a race. In the first week of his running plan, Xavier will run 1414 miles. The plan calls for Xavier to increase his weekly mileage by 11.55 miles every week. If Xavier sticks to the plan, how many miles would he be expected to run during his 66th week of the training plan?\newlineAnswer: \square miles
  1. Initial Mileage Calculation: Xavier starts with 1414 miles in the first week. To find out how many miles he will run in the 66th week, we need to add the incremental increase for each week leading up to the 66th week. Since he increases his mileage by 1.51.5 miles each week, we will calculate the total increase after 55 weeks (since the first week is already at 1414 miles, we do not count it as an increase).
  2. Second Week Mileage: For the first week, the mileage is 1414 miles. For the second week, we add 1.51.5 miles to the first week's mileage. This gives us 14+1.5=15.514 + 1.5 = 15.5 miles for the second week.
  3. Third Week Mileage: For the third week, we add another 1.51.5 miles to the second week's mileage. This gives us 15.5+1.5=1715.5 + 1.5 = 17 miles for the third week.
  4. Fourth Week Mileage: For the fourth week, we add another 1.51.5 miles to the third week's mileage. This gives us 17+1.5=18.517 + 1.5 = 18.5 miles for the fourth week.
  5. Fifth Week Mileage: For the fifth week, we add another 1.51.5 miles to the fourth week's mileage. This gives us 18.5+1.5=2018.5 + 1.5 = 20 miles for the fifth week.
  6. Sixth Week Mileage: Finally, for the sixth week, we add another 1.51.5 miles to the fifth week's mileage. This gives us 20+1.5=21.520 + 1.5 = 21.5 miles for the sixth week.