<span>Randall’s family drove to the beach for vacation. Assume they drove the same speed throughout the trip. The first day, they drove 130miles in 22 hours. The second day, they drove 325 miles in 55 hours. The third day, they arrived at the beach by driving 390 miles in 66 hours.</span>
Answer:
A. 60 miles per hour
B.120 customers per day
C.2.5 meters per second
D. $1.59 per pound
Step-by-step explanation:
Here we are asked to determine the unit rate for each one of the options given. By unit rate we mean the quantity for per unit quantity . Hence in order to find that we divide the two and quotient is our unit rate. Let us see how:
A. 420 miles in 7 hours
Unit rate = 
Unit rate = 60 miles per hour
B. 360 customers in 30 days
unit rate = 
Unit rate = 120 customers per day
C. 40 meters in 16 seconds
Unit rate = 
Unit rate = 2.5 meters per second
D. $7.96 for 5 pounds
Unit rate = 
Unit rate = $1.59 per pound
Answer:
c.x=8
d.x=2 5/6
e. x=4
Step-by-step explanation:
c.
(2x-1)/3=5
2x-1=15
2x=16
x=8
d.
(6x+1)/2=8
6x-1=16
6x=17
x=17/6=2 5/6
e.
(7x-3)/5=5
7x-3=25
7x=28
x=4