CONVERSION SI AND ENGLISH UNIT

 A car is traveling at 100 km/h. What is its speed in miles per hour (mph)? 1 km/h = 0.621371 mph

• 45 mph

• 62 mph

• 75 mph

• 90 mph

Answer explanation

Use the conversion factor

 

1 km/h = 0.621371 mph

 100×0.621371=62.1371 mph

A person weighs 70 kg. What is their weight in pounds (lb)? 1 kg = 2.20462 lb

• 124 lb

• 144 lb

• 154 lb

• 184 lb

Answer explanation

Use the conversion factor

 

1 kg = 2.20462 lb

 70×2.20462=154.32 lb

A swimming pool holds 5,000 liters of water. How many gallons (US) is this?
1 gallon (US) = 3.78541 liters (L)

• 1,320 gallons

• 1,530 gallons

• 2,520 gallons

• 5,430 gallons

Answer explanation

Use the conversion factor

 

1 gallon (US) = 3.78541 liters (L)

 5000÷ 3.78541 =1320. 86 gal

A piece of wood is 2 meters long. What is its length in feet? 1 meter = 3.28084 feet

• 3.28 ft

• 6.56 ft

• 9.84 ft

• 12.34 ft

Answer explanation

Use the conversion factor

 

1 meter = 3.28084 feet

 2×3.28084=6.56168 ft

A football field is 100 yards long. How many meters is this? 1 yard = 0.9144 meters

• 50.56 m

• 75.28 m

• 91.44 m

• 120.01 m

Answer explanation

Use the conversion factor

 

1 yard = 0.9144 meters

 100×0.9144=91.44 m

A farmer has a 4.5-hectare wheat field. If 1 hectare is approximately 2.47105 acres, how many acres does the farmer own? Round your answer to the nearest tenth.

• 9.8 acres

• 10.5 acres

• 11.1 acres

• 12.3 acres

Answer explanation

1 hectare = 2.47105 acres

4.5×2.47105=11.1197

Rounded: 11.1 acres

A water tank holds 8.2 cubic meters of water. If 1 cubic meter is equal to 264.172 gallons, how many gallons of water can the tank hold? Round to the nearest whole number.

• 2,065 gallons

• 2,398 gallons

• 2,211 gallons

• 2,166 gallons

Answer explanation

1 m³ = 264.172 gallons

8.2×264.172=2,166.21

Rounded: 2,166 gallons

Melissa's boyfriend gave her a 2 lb heart-shaped box of chocolates. The box had 68 pieces of chocolate. What was the average weight for each piece of chocolate? (round to the nearest hundredth)

• 0.03 lb

• 0.05 lb

• 0.04 lb

• 0.06 lb

Answer explanation

Kelsey has a new baby brother! He weighs 8 lbs. The doctor said the baby should gain about 0.2 per week. At that rate, how much should the baby weigh in 3 months (12 weeks)? In lb

• 11.4 lb

• 13.4 lb

• 10.4 lb

• 12.4 lb

Answer explanation

A peach weighs 65 grams. If you buy 10 peaches and they sell for Php 25.50 per kilogram, how much will they cost?

• Php 13.58

• Php 15.85

• Php 20.85

• Php 16.58

Answer explanation