A motorist drives on a toll road to and from work each day and pays $ 4.25 in tolls one-way. a. Write a model for the cost C in $ for tolls in terms of the number of working days, x . b. The department of transportation offers a prepaid toll pass for $ 150 a month. How many working days are required for the motorist to save money by buying the pass?
A motorist drives on a toll road to and from work each day and pays $ 4.25 in tolls one-way. a. Write a model for the cost C in $ for tolls in terms of the number of working days, x . b. The department of transportation offers a prepaid toll pass for $ 150 a month. How many working days are required for the motorist to save money by buying the pass?
Solution Summary: The author explains how to calculate the cost of tolls in terms of the number of working days.
A motorist drives on a toll road to and from work each day and pays
$
4.25
in tolls one-way.
a. Write a model for the
cost
C
in
$
for tolls in terms of the number of working days,
x
.
b. The department of transportation offers a prepaid toll pass for
$
150
a month. How many working days are required for the motorist to save money by buying the pass?
The expenses and income of an individual are given in table form to
the right. Find the net monthly cash flow (it could be positive
or negative). Assume salaries and wages are after taxes. When you
need to convert between weeks and months, assume that
1 month=4 weeks.
Income
Part-time job: $700/month
College fund from grandparents: $400/month
Scholarship: $5400/year
The net monthly cash flow is $. (Round to the nearest dollar as needed.)
Expenses
Rent: $500/month
Groceries: $70/week
Tuition and fees: $3000 twice a year
Incidentals: $140/week
Meadow Inc. sells shoes for $118 each. The variable costs per shoe are $47 and
the fixed costs per week are $4,970.
a. Calculate the number of shoes that need to be sold every week to break even.
Round up to the next whole number
b. If 58 shoes were sold, calculate the net income in a week.
Express the answer with a positive sign for profit or negative sign for loss, rounded to the nearest
cent
c. How many shoes must be sold to make a profit of $1,750.00 in a week?
Round up to the next whole number
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