Solve this multi-step problem. A runner completes 14 of a 5-mile race every 8 minutes. At the same pace, how far can the runner go in 16 minutes?(1 point)

Responses

110 mile
Start Fraction 1 over 10 End Fraction mile

18 mile
Start Fraction 1 over 8 End Fraction mile

212 miles
2 Start Fraction 1 over 2 End Fraction miles

160 miles
160 miles

1 answer

To solve the problem, we first need to determine the runner's pace.

The runner completes 14 of a 5-mile race every 8 minutes. This means the runner runs:

\[ 5 \text{ miles} \div 14 = \frac{5}{14} \text{ miles per unit} \]

Next, we can calculate the runner's speed in miles per minute:

  1. The total time taken for the race is 8 minutes.
  2. The distance covered in that time is 5 miles.

To find the speed in miles per minute, we divide the distance by the total time spent:

\[ \text{Speed} = \frac{5 \text{ miles}}{8 \text{ minutes}} = \frac{5}{8} \text{ miles per minute} \]

Now, we need to determine how far the runner can go in 16 minutes. We can use the runner's speed to calculate the distance:

\[ \text{Distance} = \text{Speed} \times \text{Time} \] \[ \text{Distance} = \frac{5}{8} \text{ miles per minute} \times 16 \text{ minutes} \]

Calculating this gives:

\[ \text{Distance} = \frac{5 \times 16}{8} = \frac{80}{8} = 10 \text{ miles} \]

From the options provided:

  • 110 mile
  • Start Fraction 1 over 10 End Fraction mile
  • 18 mile
  • Start Fraction 1 over 8 End Fraction mile
  • 212 miles
  • 2 Start Fraction 1 over 2 End Fraction miles
  • 160 miles

There isn't a direct match for 10 miles, which indicates that there might be a typo in the options. However, 10 miles is the correct answer based on the calculations.

Thus, in 16 minutes, the runner can travel 10 miles.