Answer:
Step-by-step explanation:
- Speed in one direction = 40 km/h
- Speed on return = x
- Average speed = 60 km/h
Let the distance be d
<u>Average speed </u>
- 2d/(d/40 + d/x) = 60
- d/40 + d/x = 2d/60
- 1/40 + 1/x = 1/30
- 1/x = 1/30 - 1/40
- 1/x = (4-3)/120
- 1/x = 1/120
- x = 120 km/h
Answer:
$1800
Step-by-step explanation:
12000(1+0.05x 3)
= 13800
13800 - 12000
$1800
Answer:
49
Step-by-step explanation:
14x14 = 196
196/4 = 49
Answer:
y=2
Step-by-step explanation:
x+y=8
6+y=8
6+2=8
so y=2
D- $48.50
you have to subtract the largest and the smallest number to find the range
