68 miles / hour
Average speed = distance / time
distance = 170 and time = 5/2 ( as an improper fraction)
speed = 170 ÷
= 170 ×
=
= 68
<span>-8(n+3)+28=-5n-5
-8n-24+28=-5n-5
</span>-8n+4=-5n-5
-8n+4-4=-5n-5-4
-8n=-5n-9
-8n+5n=-5n+5n-9
-3n=-9
-3n/-3=-9/-3
n=3
n=3 is the correct answer
sorry answered the wrong one..
Is it 100 because it just is done ya and 1000
Answer:

Step-by-step explanation:
