Practice the questions of **McGraw Hill Math Grade 8 Answer Key PDF Lesson 17.2 Changing from Metric Units to Customary Units **to secure good marks & knowledge in the exams.

## McGraw-Hill Math Grade 8 Answer Key Lesson 17.2 Changing from Metric Units to Customary Units

**Exercises**

**CONVERT**

Question 1.

24 mm = _____________ in.

Answer:

0.936 in,

Explanation:

1 mm = 0.039 in, 24 mm = 24 X 0.039 in = 0.936 in.

Question 2.

143 cm = _____________ in.

Answer:

56.342 in,

Explanation:

1 cm = 0.394 in, 143 cm = 143 X 0.394 in = 56.342 in.

Question 3.

3 m = ____________ in.

Answer:

118.11 in,

Explanation:

1 meter = 39.37 in, 3 m = 3 X 39.37 in = 118.11 in.

Question 4.

4 km = _____________ mi

Answer:

2.484 miles,

Explanation:

1 kilometer = 0.621 miles, 4 km = 4 X 0.621 miles = 2.484 miles.

Question 5.

20 g = ____________ oz

Answer:

0.7 oz,

Explanation:

1 gram = 0.035 ounces, 20 g = 20 X 0.035 ounces = 0.7 oz.

Question 6.

6 L = ____________ qt

Answer:

6.342 qt,

Explanation:

1 liter = 1.057 quarts, 6 L = 6 X 1.057 qt = 6.342 qt.

Question 7.

3 kL = ___________ gal

Answer:

792.6 gal,

Explanation:

1 kL = 264.2 gallons, 3 kL = 3 X 264.2 gal = 792.6 gal.

Question 8.

4.5 kg = _____________ lb

Answer:

9.9223 lb,

Explanation:

1 kg = 2.205 lb, 4.5 kg = 4.5 X 2.205 lb = 9.9223 lb.

Question 9.

242 mm = _____________ in.

Answer:

9.44 in,

Explanation:

1 millimeter = 0.039 in, 242 mm = 242 X 0.039 = 9.438 or 9.44 in.

Question 10.

13 kg is about how many oz? _________

Answer:

458.64 oz,

Explanation:

1 kg = 35.28 oz, 13 kg = 13 X 35.28 oz = 458.64 oz.

Question 11.

1100 mm = ___________ in.

Answer:

42.9 in,

Explanation:

1 millimeter = 0.039 in, 1100 mm =1100 X 0.039 in = 42.9 in.

Question 12.

2 kg + 32 g = ______________ oz

Answer:

71.68 oz,

Explanation:

1 kg = 35.28 oz, 2 kg = 2 X 35.28 oz = 70.56 oz,

1 g = 0.035 oz, 32 g = 32 X 0.035 oz = 1.12 oz,

70.56 oz + 1.12 oz = 71.68 oz.

Question 13.

The average player on the school basketball team is 190 centimeters tall. The average volleyball player is 6 ft 4 inches tall. Which team has a taller average height?

Answer:

6 ft 4 in volleyball players are taller on average than

school basketball team,

Explanation:

The average player on the school basketball team is

190 centimeters tall.

The average volleyball player is 6 ft 4 inches tall.

1 cm = 0.0328084 ft, 190 cm = 190 X 0.0328084 ft = 6.233596 ft,

As 6.4 ft > 6.233596 ft, So, 6 ft 4 in volleyball players are taller on

average than school basketball team.

Question 14.

The Booster Club sponsored a 10-km walk to raise money for charity. About how many miles is the length of the walk?

Answer:

6.21 miles is the length of the walk,

Explanation:

The Booster Club sponsored a 10-km walk to raise money for charity.

1 km = 0.621 miles, 10 km = 10 X 0.621 miles = 6.21 miles.