1. $\dfrac{1 \text{ week}}{1}\times\dfrac{7 \text{ days}}{1 \text{ week}}\times \dfrac{24 \text{ hours}}{1 \text{ day}} \times\dfrac{60 \text{ minutes}}{1 \text{ hour}}=10080 \text{ minutes}$
2. $\dfrac{3 \text{ years}}{1}\times\dfrac{365 \text{ days}}{1 \text{ year}}\times \dfrac{24 \text{ hours}}{1 \text{ day}}= 26280 \text{ hours}$
3. $\dfrac{12 \text{ yards}}{1}\times\dfrac{3 \text{ feet}}{1 \text{ yard}}\times \dfrac{12 \text{ inches}}{1 \text{ foot}}= 432 \text{ inches}$
4. $\dfrac{5 \text{ inches}}{1}\times\dfrac{1 \text{ feet}}{12 \text{ inches}}\times \dfrac{1 \text{ yard}}{3 \text{ feet}}= .13\overline{88} \text{ yards}$
5. $\dfrac{31 \text{ days}}{1}\times\dfrac{24 \text{ hours}}{1 \text{ day}}= 744 \text{ hours}$
6. $\dfrac{5 \text{ cartons}}{1}\times\dfrac{60 \text{ boxes}}{1 \text{ carton}}\times \dfrac{12 \text{ crayons}}{1 \text{ box}}= 3600 \text{ crayons}$
7. $\dfrac{\dfrac{1}{4} \text{ cup}}{1}\times\dfrac{16 \text{ tablespoons}}{1 \text{ cup}}\times \dfrac{3 \text{ teaspoons}}{1 \text{ tablespoon}}= 12 \text{ teaspoons}$
8. $\dfrac{12 \text{ dings}}{1}\times\dfrac{2 \text{ goops}}{9 \text{ dings}}\times \dfrac{3 \text{ daks}}{6 \text{ goops}}= 1\dfrac{1}{3} \text{ daks}$
9. $\dfrac{4 \text{ sticks}}{1}\times\dfrac{2 \text{ decameters}}{1 \text{ stick}}\times \dfrac{10 \text{ meters}}{1 \text{ decameter}}\times \dfrac{100 \text{ centimeters}}{1 \text{ meter}}= 8000 \text{ centimeter pieces}$
10. $\dfrac{50 \text{ yards}}{1}\times\dfrac{3 \text{ feet}}{1 \text{ yard}}\times \dfrac{12 \text{ inches}}{1 \text{ foot}}\times\dfrac{1 \text{ dress}}{9 \text{ inches}}= 200 \text{ dresses}$