1/3 and 1/2 common denominators are the number 6 ,1/3x2=2/6 and 1/2 x3=3/6 so 2/6 divide by 2 =1/3 and 3/6 divide by 3 =1/2 I hope this helps
Answer:
98.99%
Step-by-step explanation:
The combined reliability of both components must be 98%. Given that both components must be functional and have the same reliability 'r', the minimum value of 'r' that meets the system requirements is given by:

The level of reliability required for each component is 98.99%.
Step-by-step explanation:
The average speed is distance over time.
34 mi / 0.5 hr = 68 mph
Therefore, the driver must have been speeding at some point between the two toll booths.