Elrod York is paid a 5% commission on all monthly sales. His monthly sales average $82,000. What total commission is he likely to earn for the year?

A scientist earning an annual salary of $49,839 gets a 4% raise. Estimate the new annual salary for this scientist.

Why is it advantageous for a credit card company to apply your payments to the purchase balance before the cash advance balance?

Elmer Hartley is paid a salary of $710 a week. What total salary does Elmer earn in one year?

William earns $4,000 per month in salary. If his deductions total$1,350 per month, what percent of his gross pay, rounded to the nearest percent, does William take home?

Isabel Aponte borrowed $150 on a cash advance from her credit card company. The company charges a cash advance fee of$20 and a daily periodic interest rate of 0.045 % . If Isabel borrowed the money for 26 days.

What total amount did Isabel pay to end the loan?

Yvonne Clark used her credit card in an ATM for a $325 cash advance. Her card company charges a daily periodic interest rate of 0.06% and charged a cash advance fee of$19. Yvonne repaid the loan in 15 days.

What total finance charge did Yvonne pay for the cash advance?

Jareen Knabe borrowed $800 for 30 days from her credit card company using a cash advance. The daily finance charge was 0.0543 %. What was the finance charge on her loan?

The Fahrenheit temperature, "F," and the Celsius temperature, "C," of an object are related by a linear function. Water boils at $100^{\circ} \mathrm{C}$ or $212^{\circ} \mathrm{F}$, and freezes at $0^{\circ} \mathrm{C}$ or $32^{\circ} \mathrm{F}$.
a. Write an equation expressing $F$ in terms of $C$.
b. Transform the equation so that $C$ is in terms of $F$.
c. Lead boils at $1620^{\circ} \mathrm{C}$. What Fahrenheit temperature is this?
Which form of the equation is more appropriate to use in answering this question?
d. Normal body temperature is $98.6^{\circ} \mathrm{F}$. What Celsius temperature is this?
e. If the weather forecaster says it will be $40^{\circ} \mathrm{C}$ today, will it be hot, cold, or medium? Explain. f. The coldest possible temperature is absolute zero, $-273^{\circ} \mathrm{C}$, where molecules stop moving. What Fahrenheit temperature is this?
g. For what temperature is the number of Fahrenheit degrees equal to the number of Celsius degrees? h. Sketch the graph of $F$ as a function of $C$, showing clearly the domain implied by part (f), and the $F$-intercept.

Isabel Aponte borrowed $150 on a cash advance from her credit card company. The company charges a cash advance fee of$20 and a daily periodic interest rate of 0.045 % . If Isabel borrowed the money for 26 days.

What was the total finance charge on the cash advance?

Heng-che Pai's credit card statement for May showed a previous balance of $289.16, new purchases of$107.99, a membership fee of $35, a finance charge of$5.96, and a payment of $100. What is her new balance?

Rick Chandler's credit card statements for the year showed a membership fee of $75, two late fees of$25, and an average finance charge of $23.75 a month. What was the total annual cost of the card to Rick?

The credit card of Salizar Mendoza for April listed a previous balance of $419.65, new purchases of$283.15, a payment of $300, a finance charge of$7.23, and a late fee of $20. What is his new balance?

Sandra Beal opened a new credit card in January. She paid a membership fee of $\$ 15$ and a balance transfer fee of $5 \%$ when she moved $\$ 823.46$ from her old card to her new card. During the year, she paid these finance charges: February $\$ 3.56$; May, $\$ 5.82$; July, $4.92; and September$\$2.18$. What was the total annual cost of the card to Sandra?