Practice the questions of **McGraw Hill Math Grade 8 Answer Key PDF Lesson 17.1 Changing from Customary Units to Metric Units **to secure good marks & knowledge in the exams.

## McGraw-Hill Math Grade 8 Answer Key Lesson 17.1 Changing from Customary Units to Metric Units

**Exercises**

**CONVERT**

Question 1.

14 in. = ___________cm

Answer:

35.56 cm,

Explanation:

As 1 in = 2.54 cm, 14 in = 14 X 2.54 cm = 35.56 cm.

Question 2.

15 ft = ____________ m

Answer:

4.575 m,

Explanation:

As 1 ft = 0.305 m, 15 ft = 15 X 0.305 m = 4.575 m.

Question 3.

12 yd = ____________ m

Answer:

10.968 m,

Explanation:

1yd = 0.914 m, 12 yds = 12 X 0.914 m = 10.968 m.

Question 4.

4 yd = _____________ m

Answer:

3.656 m,

Explanation:

1 yd = 0.914 m, 4 yds = 4 X 0.914 m = 3.656 m.

Question 5.

3 mi = ____________ km

Answer:

4.827 km,

Explanation:

1 mile = 1.609 km, 3 miles = 3 X 1.609 km = 4.827 km.

Question 6.

4 c = _____________ L

Answer:

0.948 L,

Explanation:

1cup = 0.237 L, 4 cups = 4 X 0.237 L = 0.948 L.

Question 7.

3 pt = _____________ L

Answer:

1.419 L,

Explanation:

1 pt = 0.473 L, 3 pts = 3 X 0.473 L = 1.419 L.

Question 8.

9 qt = ______________ L

Answer:

8.514 L,

Explanation:

1 qt = 0.946 L, 9 qts = 9 X 0.946 L = 8.514 L.

Question 9.

3.5 gal = _____________ L

Answer:

13.2475 L,

Explanation:

1 gal = 3.785 L, 3.5 gals = 3.5 X 3.785 L = 13.2475 L.

Question 10.

11 fl oz = ______________ mL

Answer:

325.314mL,

Explanation:

1 fluid ounce = 29.574mL, 11 fl oz = 11 X 29.574 mL = 325.314 mL.

Question 11.

14 oz = ____________ g

Answer:

396.9 g,

Explanation:

1 ounce = 28.35 g, 14 oz = 14 X 28.35 g = 396.9 g.

Question 12.

3 lbs = _____________ kg

Answer:

1.362 kg,

Explanation:

1 lb = 0.454 kg, 3 lbs = 3 X 0.454 kg = 1.362 kg.

Question 13.

6 oz = ____________ g

Answer:

170.1 g,

Explanation:

1 ounce = 28.35 g, 6 oz = 6 X 28.35 g = 170.1 g.

Question 14.

2 mi = _____________ m

Answer:

3,218.68 m,

Explanation:

1 mile = 1609.34 m, 2 miles = 2 X 1609.34 m = 3,218.68 m.

Question 15.

11 c = ___________ L

Answer:

2.607 L,

Explanation:

1 cup = 0.237 L, 11 cups = 11 X 0.237 L = 2.607 L.

Question 16.

Which would be heavier: 4.8 lb or 2000 g of silver? __________

Answer:

4.8 lbs

Explanation:

Given to find the heavier from 4.8 lb or 2000 g of silver as

1 lb = 453.592 g, So 4.8 X 453.592 g = 2,177.2416 now

Comparing both as 2,177.2416 > 2,000 g, therefore 4.8 lbs.

Question 17.

About how many meters tall is a 120-ft building?

Answer:

36.576 m,

Explanation:

Given to find meters tall of 120 -ft as

1 ft = 0.3048 m so 120 X 0.3048 m = 36.576 m.

Question 18.

Farah’s cooler holds 8 qt of liquid. About how many mL will it hold?

Answer:

7,570.824 mL,

Explanation:

Given Farah’s cooler holds 8 qt of liquid,

As 1 qt = 946.353 mL so it can hold 8 X 946.353 mL = 7570.824 mL.