Answer:
.
Step-by-step explanation:
Let C represent total daily charges in dollars and t represent time in hours.
We have been given that a plumber charges $50 for a service call plus $80 per hour.
The amount charged for t hours would be
.
The total amount charged for t hours would be
.
We are also told that plumber spends no longer than 8 hours a day at any one site, this means that time t have a restriction as:

Therefore, our required cost function would be
.
Mia gives $80 as tip to the movers.
<em><u>Explanation</u></em>
The moving company charged $500 for its service.
Suppose, the amount of tip is
dollar, which is 16% of the total charge.
So, the equation will be.....

So, the amount of tip Mia gives the movers is $80
Answer:
3
Step-by-step explanation:
pls mark brainliest
Answer:
45
Step-by-step explanation:
6a 6b
2 : 3
30 : x
<u>30</u><u>×</u><u>3</u>
2
=45
Answer:
35000:19
Step-by-step explanation:
→1400kg/0.76kg
→35000:19