# Unit Conversion Word Problems - Page 10

Unit Conversion Word Problems
• Page 10
91.
How many one-cup servings are there in 32 fl oz. of apple juice?
 a. 4 b. 5 c. 6 d. 7

#### Solution:

32 fl oz = 328 = 4 c
[Since 8 fl oz = 1 c, divide 32 by 8.]

There are 4 one-cup servings in 32 fl oz. of apple juice.

92.
Gary bought 3 lb of oranges from the market. How many ounces of oranges did he buy?
 a. 50 b. 48 c. 53 d. 51

#### Solution:

3 lb = 3 x 16 = 48 oz
[Since 16 ounces(oz) = 1 pound(lb), multiply 3 by 16.]

Gary bought 48 ounces of oranges from the market.

93.
The height of a lighthouse is 198 ft. Identify the height of the lighthouse in yd.
 a. 72 yd b. 71 yd c. 68 yd d. 66 yd

#### Solution:

198 ft = 1983 = 66 yd
[Since 1 yd = 3 ft, divide 198 by 3.]

The height of the lighthouse is 66 yd.

94.
The height of the Eiffel tower is about 963 ft. What is the height of the Eiffel tower in yd?
 a. 341 yd b. 351 yd c. 331 yd d. 321 yd

#### Solution:

963 ft = 9633 = 321 yd
[Since 1 yd = 3 ft, divide 963 by 3.]

The height of the Eiffel tower is about 321 yd.

95.
Brian drew a 2 in. long line in his math workbook. Express the length in feet.
 a. $\frac{2}{7}$ b. $\frac{1}{6}$ c. $\frac{1}{7}$ d. $\frac{1}{8}$

#### Solution:

12 in. = 1 ft
[Write ft in terms of in.]

2 in. = 2 / 12 ft
[Convert in. to ft; Divide 2 by 12.]

= 1 / 6 ft
[Divide numerator and denominator by their GCF, 2 .]

The length in ft is 1 / 6.

96.
The length of the river Koyukuk, from Brook to Yukon, is 470 mi. Find the length of the river in kilometers.
 a. 766.7 b. 756.7 c. 786.7 d. 776.7

#### Solution:

470 mi = 470 × 1.61 = 756.7 km
[Since 1 mi = 1.61 km, multiply 470 by 1.61.]

So, the length of the river Koyukuk, from Brook to Yukon is 756.7 kilometers.

97.
Paul saw a grasshopper and estimated its length as 3 in. What is its length in ft?
 a. $\frac{1}{4}$ b. $\frac{1}{6}$ c. $\frac{2}{4}$ d. $\frac{1}{5}$

#### Solution:

12 in. = 1 ft
[Write ft in terms of in.]

3 in. = 3 / 12 ft
[Convert in. to ft; Divide 3 by 12.]

= 1 / 4 ft
[Divide numerator and denominator by their GCF, 3.]

The estimated length of the grasshopper in ft is 1 / 4.

98.
William decided to have 4 yards long flowerbed in his garden. Identify the length of the flowerbed in feet.
 a. 15 b. 10 c. 13 d. 12

#### Solution:

1 yard = 3 feet
[Write yard in terms of feet.]

4 yards = 4 × 3 = 12 feet
[Convert yards to feet; Multiply 4 by 3.]

The length of the flowerbed is 12 feet.

99.
Henry's math book weighs 5 oz. and his history book weighs $\frac{1}{2}$ lb. Identify the total weight of the two books in ounces.
 a. 14 b. 16 c. 15 d. 13

#### Solution:

12 lb = 16 × 12 = 8 oz
[Since 16 oz = 1 pound, multiply 16 by 1 / 2.]

12 lb + 5 oz = (8 + 5) oz = 13 oz

The total weight of his books is 13 oz.

100.
Andy bought a Christmas tree that was 4 feet tall. Express the length of the tree in yards.
 a. 2 b. $1\frac{1}{3}$ c. $1\frac{2}{3}$ d. $2\frac{1}{3}$

#### Solution:

3 feet = 1 yard
[Write yard in terms of feet.]

4 feet = 4 / 3 yards
[Convert feet to yards; Divide 4 by 3.]

= 11 / 3 yards
[Convert the improper fraction into mixed number.]

The length of the Christmas tree is 11 / 3 yards.