10 km ÷ 2.5 hours = 4 km/h — This is Sara's record
7.5 km ÷ 2 hours = 3.75 km/h — This is Katerina's record
9.5 km ÷ 2.25 hours = 4.2 km/h — This is Candice's record
Therefore, the answer is Candice had the fastest average speed.
Eg: 24936
Place value of 4 is 4x10 raised to the power of 3 or 4000
M=30/22,5=1,33
m=25/x=1,33. ...>x=25/1,33=18,7
Answer:
320,000
Step-by-step explanation:
Answer:
40/7
Step-by-step explanation:
14x - 71 = 9
14x=80
x=80/14
x=40/7