4/5. I was doing math assignments like this earlier and remember how to do this. If you need more help on this let me know.
Answer:
12 2/3 km/hour or 12.666 km/hour
Step-by-step explanation:
Because 3 1/6 is the rate for every quarter hour, simply multiply that rate by 4 in order to get the average speed over the course of an hour.
Answer:
me lollll
Step-by-step explanation:
You can put it in a TI84 calculator and find the answer.
Answer:
x = 18
Step-by-step explanation:

8x = 12 * 12
8x = 144

x = 18