The LCD of 1/2 and 5/6 is equal to the LCM of 2 and 6.
Multiples of 2 and 6
2: 2,4,6
6: 6,12,18
As you can see, the first number in both lines are 6.
Answer:

Step-by-step explanation:
The comma is important here, otherwise "one third of a number n minus 7" is

Answer:
y = 15
Step-by-step explanation:
As QR parallel to TS
QR = TS
11 = y - 4
y = 11 + 4
y = 15
Answer:
Step-by-step explanation:
divide total miles by time
350 / 5 =70 miles per hour