A group of junior high students will be touring Washington, D.C. Their chaperons will have the $1,810 cost of the tour reduced by$15.50 for each student they personally supervise. How many students will a chaperon have to supervise so that his or her cost to take the tour will be $1,500?

A carpenter saws a board that is 22 feet long into two pieces. One piece is to be 1 foot longer than twice the length of the shorter piece. Find the length of each piece.

To help move his furniture, a man rents a truck for $41.50 per day plus 35 cents per mile. If he has budgeted$150 for transportation expenses, how many miles will he be able to drive the truck if the move takes 1 day?

Use an area formula to find the unknown measurement. A rectangular band-aid covers

$$2 \frac { 1 } { 2 } \mathrm { in. } ^ { 2 }$$

of skin. If the width of the band-aid is

$$\frac { 5 } { 8 } \text { in. }$$

, find its length.

The Statue of Liberty is 305.5 feet tall from the foundation of its pedestal to the top of its torch. Isla is building a model of the statue. The model will be one-hundredth times as tall as the actual statue. How tall will the model be?

Solve the equation. Check for extraneous solutions.

$$\log 5 x + \log ( x - 1 ) = 2$$

Use a perimeter formula to find the unknown measurement. Sixty-six feet of crown molding was installed around a rectangular dining room. If the length of the room is 18.75 feet, what is its width?

Evaluate the integral.

$$\int \cot ^ { 3 } x d x$$

A seed company sells two grades of grass seed. A 100-pound bag of a mixture of rye and Kentucky bluegrass sells for $245, and a 100-pound bag of bluegrass sells for$347. How many bags of each are sold in a week when the receipts for 19 bags are $5,369?

Translate the sentence into an equation. Four less than five times a number is equal to 11.

A financial intermediary that resells shares of a stock portfolio is a A. mutual fund. B. pension fund. C. loan -backed security. D. bond broker. E. depository institution.

A pension fund owns 2,000 fewer shares in mutual stock funds than mutual bond funds. Currently, the stock funds sell for $12 per share, and the bond funds sell for$15 per share. How many shares of each does the pension fund own if their total value is $165,000?

As of October 2010, Denzel Washington’s three top domestic grossing films, American Gangster, Remember the Titans, and The Pelican Brief, had earned a total of $346.7 million. If American Gangster earned$14.5 million more than Remember the Titans, and if Remember the Titans earned $14.9 million more than The Pelican Brief, how much did each film earn as of that date?

For the last quarter, the total sales of Prime Discount, Inc. were $\$ 183,782.15$. The sales returns and allowances for the month totaled $\$ 8,452.97$. What were the shop's net sales for the month?