Problem 1 :
Lucy made 3 cakes that each weighed 32 ounces. How many pounds of cake did Lucy make ?
Solution :
Number of cakes = 3
Weighed of each cake = 32 ounces.
Weight of 3 cakes = 3 × 32
= 96 ounces
1 pound = 16 ounces
1 ounces = 1/16 pounds
96 ounces = 96/16
= 6
So, weight of cake in pounds = 6 pounds.
Problem 2 :
Mike's turkey burger recipe calls for 4 pounds of ground turkey. How many ounces of ground turkey should Mike purchase at the local grocery store ?
Solution :
Mike's turkey burger recipe calls for 4 pounds of ground turkey.
Number of pounds = 4
1 pound = 16 ounces
4 pounds = 4 × 16
= 64 ounces
Problem 3 :
Sarah's dog weighs 64 ounces. How many pounds does Sarah's dog weigh ?
Solution :
Sarah's dog weighs 64 ounces.
1 pound = 16 ounces
1 ounces = 1/16 pounds
64 ounces = 64/16
= 4 pounds
So, Sarah's dog weighs is 4 pounds.
Problem 4 :
Jim's soccer bag weighs 48 ounces. He removed his cleats and shinguards that weighed a total of 1 pound.How much does his soccer bag weigh now ?
Solution :
Bag weigh = 48 ounces
Total pound = 1
1 ounces = 1/16 pounds
.48 ounces = 48/16 pounds
= 3 pounds
Total pound = 3 - 1
= 2 pounds
Hence, weigh of soccer bag is 2 pounds.
Problem 5 :
Carlos wants to buy a new 40 - pound dumbbell to boost his fitness. What is the weight of the dumbbell in ounces ?
Solution :
New dumbbell price = 40 - pounds
1 pound = 16 ounces
40 pounds = 40 × 16
= 640 ounces
So, weight of the dumbbell is 640 ounces.
Problem 6 :
Venice prepared 2 main dishes for dinner for her family. The roasted chicken weighs 9 lbs 6 oz, and the roasted turkey is 21 lbs 13 oz. How much heavier is the roasted turkey than the roasted chicken ?
Solution :
Total dishes = 2
First dish :
Roasted chicken weighs = 9 lbs 6 oz
Second dish :
Roasted turkey = 21 lbs 13 oz
= 21 lbs 13 oz - 9 lbs 6 oz
= 12 lbs 7 oz
The roasted turkey is 12 lbs 7 oz heavier than the roasted chicken.
Problem 7 :
Megan prepared 8 special cupcakes for her cousins. Each cupcake contains 3 ounces of cocoa powder and 2 ounces of sugar. How much cocoa powder did Megan use for the cupcakes in all ? Express your answer in lbs and oz.
Solution :
Number of cupcakes = 8
cupcake contains the cocoa powder = 3 ounces
sugar = 2 ounces
= 8 × 3
= 24 ounces
24 ounce = 1 lb 8 oz
Megan used 1 lb 8 oz of cocoa powder in all.
Problem 8:
Fred used a total of 6 lbs of peanuts and 5 lbs of sugar to make 4 jars of peanut butter. How many ounces of peanuts did he use in each jar ?
Solution :
Total peanuts = 6 lbs
sugar = 5 lbs
peanut butter = 4 jars
1 pound = 16 ounces
6 lbs = 6 × 16
= 96 ounces
= 96/4
= 24 ounces
Each jar has 24 ounces of peanuts.
Problem 9 :
The mass of an empty pail is 3 oz. When it is filled with sand, the mass of the pail with the sand is 5 lbs. What is the mass of the sand in the pail ?
Solution :
Mass of the empty pail = 3 oz
The mass of the pail with the sand = 5 lb
5 lbs = 5 × 16
= 80 ounces
80 ounces - 3 ounces = 77 ounces
The mass of the sand in the pail is 77 ounces.
Problem 10 :
Christine bought 6 bags of corn chips, 3 bags of nachos and 5 cans of cola from one store. The mass of each bag of corn chips is 5 ounces and the mass of each bag of nachos is 4 ounces. What is the total mass of the snacks she bought ? Express your answer in lbs and oz.
Solution :
corn chips = 6 bags
nachos = 3 bags
number of cola = 5 cans
Mass of corn chips = 5 ounces
Mass of nachos = 4 ounces
Corn chips = 6 × 5
= 30 ounces
Nachos = 3 × 4
= 12 ounces
Total mass = 30 + 12
= 42 ounces
1 pound = 16 ounces
2 pound = 16 × 2
= 32 ounces
= 32 ounces + 10 ounces
1 ounce = 1/16 pounds
32 ounces = 32/16 pounds
= 2 pounds
Total mass of the snacks is 2 lbs 10 oz.
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