Question

in exercises 19–27, convert within the u.s. customary system. 19. 60 inches to feet 20. 12 gallons to quarts 21. 84 days to weeks 22. 5 tons to pounds 23. 3 pounds to ounces 24. 16 pints to quarts 25. \\(\frac{7}{8}\\) mile to feet 26. 1 week to hours 27. 32 cups to gallons

Explanation:

Step1: Convert 60 inches to feet

Use conversion: $1$ foot $=12$ inches.
$\frac{60}{12}=5$

Step2: Convert 12 gallons to quarts

Use conversion: $1$ gallon $=4$ quarts.
$12\times4=48$

Step3: Convert 84 days to weeks

Use conversion: $1$ week $=7$ days.
$\frac{84}{7}=12$

Step4: Convert 5 tons to pounds

Use conversion: $1$ ton $=2000$ pounds.
$5\times2000=10000$

Step5: Convert 3 pounds to ounces

Use conversion: $1$ pound $=16$ ounces.
$3\times16=48$

Step6: Convert 16 pints to quarts

Use conversion: $1$ quart $=2$ pints.
$\frac{16}{2}=8$

Step7: Convert $\frac{7}{8}$ mile to feet

Use conversion: $1$ mile $=5280$ feet.
$\frac{7}{8}\times5280=7\times660=4620$

Step8: Convert 1 week to hours

Use conversion: $1$ week $=7$ days, $1$ day $=24$ hours.
$7\times24=168$

Step9: Convert 32 cups to gallons

Use conversion: $1$ gallon $=16$ cups.
$\frac{32}{16}=2$

Answer:

1. 5 feet
2. 48 quarts
3. 12 weeks
4. 10000 pounds
5. 48 ounces
6. 8 quarts
7. 4620 feet
8. 168 hours
9. 2 gallons