Questions: According to the table above, in what month in 2021 is Jamie projected to reach 5,000 miles?
According to the table above, if Pat had actually driven 16 percent more miles per month in 2021 than originally projected, as of the end of the day on June 30, 2021, how many more miles would he need to drive in order to be required to take a Defensive Driver Training class?
a. 292 miles
b. 535 miles
c. 1,465 miles
d. 1,816 miles
Transcript text: According to the table above, in what month in 2021 is Jamie projected to reach 5,000 miles?
According to the table above, if Pat had actually driven 16 percent more miles per month in 2021 than originally projected, as of the end of the day on June 30, 2021, how many more miles would he need to drive in order to be required to take a Defensive Driver Training class?
a. 292 miles
b. 535 miles
c. 1,465 miles
d. 1,816 miles
Solution
Solution Steps
Step 1: Determine Jamie's Initial Miles and Monthly Projection
Let \( J_i = 1146 \) be the miles traveled by Jamie since the last Defensive Driver Training class. The projected miles per month for Jamie is \( J_p = 512 \).
Step 2: Calculate the Target Miles
The target miles for Jamie to reach is \( T = 5000 \).
Step 3: Calculate the Months Needed for Jamie to Reach 5000 Miles
The number of months \( m \) needed for Jamie to reach the target can be calculated using the formula:
\[
m = \frac{T - J_i}{J_p} = \frac{5000 - 1146}{512}
\]
Calculating this gives:
\[
m \approx 7.4
\]
Since months are counted in whole numbers, we round up to the next whole number, resulting in \( m = 8 \). Thus, Jamie is projected to reach 5000 miles in month 8.
Step 4: Determine Pat's Initial Miles and Monthly Projection
Let \( P_i = 2941 \) be the miles traveled by Pat since the last Defensive Driver Training class. The projected miles per month for Pat is \( P_p = 254 \).
Step 5: Calculate Pat's Actual Monthly Projection with Increase
Pat's actual miles per month, considering a 16% increase, is given by:
\[
P_a = P_p \times 1.16 = 254 \times 1.16
\]
Step 6: Calculate the Total Miles Driven by Pat by June 30, 2021
The total miles driven by Pat over 6 months is:
\[
P_d = P_i + (P_a \times 6)
\]
Step 7: Calculate Remaining Miles Needed for Pat to Reach 5000 Miles
The remaining miles \( R \) that Pat needs to drive to reach 5000 miles is calculated as:
\[
R = T - P_d = 5000 - P_d
\]
After performing the calculations, it is determined that Pat needs to drive \( R \approx 291 \) more miles to be required to take a Defensive Driver Training class.
Final Answer
Jamie is projected to reach 5,000 miles in month 8 of 2021.
Pat would need to drive \( \boxed{292} \) more miles to be required to take a Defensive Driver Training class.