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McGraw-Hill Math Grade 7 Answer Key Lesson 18.3 Customary Units of Weight
Exercises
CALCULATE
Question 1.
20 pounds is how many ounces?
Answer:
20 pounds is equal to 320 ounces.
Explanation:
Conversion:
1 pound = 16 ounces.
20 pounds = ?? ounces
=> 1 × ?? = 16 × 20
=> ?? = 320 ounces.
Question 2.
5.2 tons is how many pounds?
Answer:
5.2 tons is equal to 10,400 pounds.
Explanation:
Conversion:
1 ton = 2,000 pounds.
5.2 tons = ?? pounds
=> 1 × ?? = 2,000 × 5.2
=> ?? = 10,400 pounds.
Question 3.
4 tons is how many ounces?
Answer:
4 tons is equal to 1,28,000 ounces.
Explanation:
Conversion:
1 ton = 32,000 ounces.
4 tons = ?? ounces.
=> 1 × ?? = 32,000 × 4
=> ?? = 1,28,000 ounces.
Question 4.
196 ounces is how many pounds?
Answer:
196 ounces is equal to 3,136 ounces.
Explanation:
Conversion:
1 pound = 16 ounces.
196 ounces = ?? ounces.
=> 1 × ?? = 16 × 196
=> ?? = 3,136 ounces.
Question 5.
3.5 tons is how many pounds?
Answer:
3.5 tons is equal to 7,000 pounds.
Explanation:
Conversion:
1 ton = 2,000 pounds.
3.5 tons = ?? pounds.
=> 1 × ?? = 2,000 × 3.5
=> ?? = 7,000 pounds.
Question 6.
1,600 pounds is how many tons?
Answer:
1,600 pounds is equal to 0.8 tons.
Explanation:
Conversion:
1 ton = 2,000 pounds.
?? tons = 1,600 pounds
=> 1 × 1,600 = 2,000 × ??
=> 1,600 ÷ 2,000 = ??
=> 0.8 tons = ??
Question 7.
1.5 tons is how many ounces?
Answer:
1.5 tons is equal to 48,000 ounces.
Explanation:
Conversion:
1 ton = 32,000 ounces.
1.5 tons = ?? ounces.
=> 1 × ?? = 32,000 × 1.5
=> ?? = 48,000 ounces.
Question 8.
680 ounces is how many pounds?
Answer:
680 ounces is equal to 42.5 ounces.
Explanation:
Conversion:
1 pound = 16 ounces.
?? pounds = 680 ounces
=> 1 × 680 = 16 × ??
=> 680 ÷ 16 = ??
=> 42.5 ounces = ??
Question 9.
3.2 tons is how many pounds?
Answer:
3.2 tons is equal to 6,400 pounds.
Explanation:
Conversion:
1 ton = 2,000 pounds.
3.2 tons = ?? pounds.
=> 1 × ?? = 2,000 × 3.2
=> ?? = 6,400 pounds.
Question 10.
48,000 ounces is how many tons?
Answer:
48,000 ounces is equal to
Explanation:
Conversion:
1 ton = 32,000 ounces
?? tons = 48,000 ounces
=> 1 × 48,000 = 32,000 × ??
=> 48,000 ÷ 32,000 = ??
=> 1.5 tons = ??
Question 11.
65.2 lbs is how many ounces?
Answer:
65.2 lbs is equal to 1,043.2 pounds.
Explanation:
Conversion:
1 pound = 16 ounces.
65.2 lbs = ?? pounds
=> 1 × ?? = 16 × 65.2
=> ?? = 1,043.2 pounds.
Question 12.
80,000 ounces is how many tons?
Answer:
80,000 ounces is equal to 2.5 tons.
Explanation:
Conversion:
1 ton = 32,000 ounces.
?? tons = 80,000 ounces
=> 1 × 80,000 = 32,000 × ??
=> 80,000 ÷ 32,000 = ??
=> 2.5 tons = ??
Question 13.
Three 200-pound men weigh how many tons?
Answer:
Three 200-pound men weigh is equals to 1.6 tons.
Explanation:
Conversion:
1 ton = 2,000 pounds.
?? tons = 3,200 pound men
=> 1 × 3,200 = 2,000 × ??
=> 3,200 ÷ 2,000 = ??
=> 1.6 tons = ??
Question 14.
A 13.5-ton elephant weighs how many pounds?
Answer:
A 13.5-ton elephant weighs equal to 27,000 pounds.
Explanation:
Conversion:
1 ton = 2,000 pounds.
13.5-ton elephant = ?? pounds
=> 1 × ?? = 2,000 × 13.5
=> ?? = 27,000 pounds.
Question 15.
A 1\(\frac{3}{4}\) ton truck can carry 1 \(\frac{3}{4}\) of a ton of materials in its bed. How many pounds is that?
Answer:
Number of tons of materials in its bed truck can carry = 3,500 pounds.
Explanation:
Number of tons truck = 1\(\frac{3}{4}\)
Number of tons of materials in its bed truck can carry = 1 \(\frac{3}{4}\)
Conversion:
1 ton = 2,000 pounds.
1 \(\frac{3}{4}\)Â tons = ?? pounds
=> 1 × ?? = 2,000 × 1 \(\frac{3}{4}\)
=> ?? = 2,000 × {[(1× 4) + 3] ÷ 4}
=> ?? = 2,000 × [(4 + 3) ÷ 4]
=> ?? = 2,000 × \(\frac{7}{4}\)
=> ?? = 500 × \(\frac{7}{1}\)
=> ?? = 3,500 pounds.
Question 16.
If there are 1,050 students at school and each eats 3 ounces of turkey burger for lunch, how many pounds of turkey burger is that?
Answer:
Total quantity of pounds of turkey burger for lunch all students ate = 196.875.
Explanation:
Number of students at school = 1,050.
Quantity of ounces of turkey burger for lunch each eats = 3.
Total quantity of ounces of turkey burger for lunch all students ate = Number of students at school × Quantity of ounces of turkey burger for lunch each eats
= 1,050 × 3
= 3,150.
Conversion:
Total quantity of pounds of turkey burger for lunch all students ate =
1 pound = 16 ounces.
?? pounds = 3,150 ounces.
=> 1 × 3,150 = 16 × ??
=> 3,150 ÷ 16 = ??
=> 196.875 pounds = ??