Vivian went on a bicycle trip through Germany with her family. One afternoon, she rode her bicycle along a long flat road at a constant speed for 24 kilometers (km). The ride took her 1.2 hours (h). At what speed did she ride her bicycle?

20km/h

Explanation:

Given parameters:

Distance moved  = 24km

Time  = 1.2hrs

Unknown:

Speed of her ride  = ?

Solution:

Speed is the distance covered per unit of time.

So;

   Speed  =  

 Speed  =    = 20km/h

i had this question and the answer was 3.15 miles.

martina travels from school to her mom's office. from there, she walks to school. after school, she walks to the library and then to a friends house before finally ending back at home. find martina's total distance traveled.

a) 0 miles  

b) 0.4 miles  

c) 1 mile  

d) 3.15 miles