Answer:
a=-3
Step-by-step explanation:
5a+a=-10-8
6a=-18
a=-18/6
a=-3
We can use the factor label method for this problem. The real hint to these types of equations are the units. In this case the units are in miles per hour for the rate.
15 miles/ 2.5 hours = 6mph or 6 miles/hours
If his rate was 1 mph slower we just subtract 1 from 6 mph
6mph - 1mph= 5 mph.
Hope this helps, good luck.
Answer:
21
Step-by-step explanation:
4x and 84 share the same value, so divide 84 by 4 to get the value of x
The density would be 1560.7 lb/cu ft.