To start break even they need to sell 100 but if they want to make profit they need to sell 101 because you can use the equation y = .75x - 55
Distance = 30 mph * time
distance = 4 mph * time
distance = 30 mph * t
distance = 4 mph * (17-t)
Since distance is equal then
30 mph * t = 4 mph * (17-t)
30t = -4t + 68
34t = 68
t = 2 hours
We see the return trip time is (17 -t ) which is 15 hours.
The beginning trip time is 2 hours.
Double Check
Beginning trip = 30 miles * 2 = 60 miles
Return trip = 4 miles * 15 = 60 miles.
Answer:
-5.238
Step-by-step explanation:
<u>Step 1: First multiply</u>
1.567 + 2.345 - 1.83(5)
<em>1.567 + 2.345 - 9.15</em>
<em />
<u>Step 2: Add the first two numbers</u>
(1.567 + 2.345) - 9.15
<em>3.912 - 9.15</em>
<em />
<u>Step 3: Add the next two numbers</u>
3.912 - 9.15
<em>-5.238</em>
<em />
Answer: -5.238
