Solve.
The wavelength $w$, in meters per cycle, of a musical note is given by

$$w=\frac{r}{f},$$

where $r$ is the speed of the sound, in meters per second, and $f$ is the frequency, in cycles per second. The speed of sound in air is $344 \mathrm{~m} / \mathrm{sec}$. What is the wavelength of a note whose frequency in air is $24$ cycles per second?

Solve each formula for the given letter.
$V=\frac{1}{3} B h$, for $B$

Solve. Even though you might find the answer quickly in another way, use the five-step process in order to build the skill of problem solving.
The sum of the page numbers on the facing pages of a book is $281$. What are the page numbers?

Solve and check. \

$$5.3+1.2n=1.94$$

Solve.
In January $2009$, Jenny Foster ran the $165-\mathrm{~mi}$ Ozark Highlands Trail in $2$ days, $14 \mathrm{~hr}, 25 \mathrm{~min}$. When she reached the top of Hare Mountain, the highest point on the trail, she was three times as far from Buffalo River at one end of the trail as she was from Lake Ft. Smith State Park at the other end of the trail. At that point, how far was she from each end of the trail?

Use an inequality and the five-step process to solve each problem.
An unconditional acceptance into the Master of Business Administration (MBA) program at Arkansas State University will be given to students whose GMAT score plus $200$ times the undergraduate grade point average is at least $950$. Robbin's GMAT score was $500$. What must her grade point average be in order to be unconditionally accepted into the program?

Solve.
The perimeter of a rectangular calculator is $36 \mathrm{~cm}$. The length is $4 \mathrm{~cm}$ greater than the width. Find the width and the length.

Solve.
The total attendance at NCAA basketball games for the $2009-2010$ school year was $33$ million. This was $31.25 \%$ less than the total attendance at NCAA football games during that year. What was the total attendance at NCAA football games during the $2009-2010$ school year?

Solve and check. \

$$-7 x-24=-129$$

Convert to decimal notation. \

$$8.375 \%$$

Use an inequality and the five-step process to solve each problem.
Vanessa's financial aid stipulates that her tuition not exceed $\$ 2500$. If her local community college charges a $\$ 95$ registration fee plus $\$ 675$ per course, what is the greatest number of courses for which Vanessa can register?

Solve. Don't forget to check! \

$$x-19=16$$

Solve each formula for the indicated letter.
$E=m c^2$, for $m$

Solve each formula for the given letter.
$C=\pi d$, for $d$