The Quick Car Retail Shop charges a $20 fee plus $45 an hour for labor. Any automobile parts needed are not included in this cha
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Answer:
See the image.
Step-by-step explanation:
Constant balance in a bank account signifies that the balance in the account remains constant throughout time.
That is, it did not rise or diminish with time.
As a result, the graph of such a circumstance is a horizontal line parallel to the Time period axis.
You must travel at 42 mph for 4 hours
<em><u>Solution:</u></em>
Time varies inversely as rate of motion
Let "t" be the time required
Let "r" be the rate of motion
Then, we get
Where, "k" is the constant of proportionality
<em><u>You travel 3 hours at a rate of 56 mph</u></em>
Substitute t = 3 and r = 56 in eqn 1
<em><u>Find the rate you must travel for 4 hours</u></em>
r = ? and t = 4
Substitute t = 4 and k = 168 in eqn 1
Thus you must travel at 42 mph for 4 hours