contestada

Mary ran at a steady speed in a 10-mile race. She ran 10/2 in two hours. Mary can bike the same distance in a hour. Mary wants to know her running speed and biking speed in miles per hour. what is her biking time?

Respuesta :

Answer:

running speed = 5 miles per hour

biking speed = 10 miles per hour

Step-by-step explanation:

Speed = distance / time

Running distance = 10 miles

RunNing time = 2 hours

Running speed = 10/2 = 5 mph

similarly, biking speed = 10/1 = 10 mph