Question

Suzie needs to ride her bike to the grocery store, which is 15 miles away. It takes Suzie 45 minutes to bike to the grocery store. What is Suzie's average speed?

a) 60 mph
b) 12 mph
c) 33 mph
d) 20 mph

Answer 1

Suzie's average speed is 20 miles per hour, which is calculated by dividing the distance (15 miles) by the time (0.75 hours) she took to ride her bike to the grocery store.

Step-by-step explanation:

To calculate Suzie's average speed for her bike ride to the grocery store, we can use the formula for speed: speed = distance / time. Suzie's distance to the store is 15 miles, and the time it takes her to get there is 45 minutes. To compute her speed in miles per hour (mph), we'll need to convert the time from minutes to hours. Since there are 60 minutes in an hour, 45 minutes is equal to 45/60 or 0.75 hours. Now we can calculate her speed: speed = 15 miles / 0.75 hours = 20 miles per hour (mph). Therefore, Suzie's average speed is 20 mph, which corresponds to option d in the question provided.