Question

interactive practice: understand rate concepts
mekhi competes in a winter triathlon. he skis 15 miles in 2 hours and bikes 24 miles in 3 hours.
mekhi wants to know if he skis or bikes faster.
how fast does mekhi ski?
mekhi skis 7.5 miles per hour.
how fast does mekhi bike?
mekhi bikes 8 miles per hour.
does mekhi ski or bike faster?
mekhi? faster.
(bike
ski)

Explanation:

Step1: Recall speed formula

Speed is calculated as distance divided by time, i.e., \( \text{Speed} = \frac{\text{Distance}}{\text{Time}} \).

Step2: Compare skiing and biking speeds

Mekhi's skiing speed is \( 7.5 \) miles per hour, and his biking speed is \( \frac{24}{3} = 8 \) miles per hour. Since \( 8 > 7.5 \), biking speed is faster than skiing speed.

Answer:

bikes