WORD PROBLEMS ON MULTIPLICATION

Problem 1 :

Callie buys 4 packages of cookies. Each package has 6 cookies. How many cookies does Callie buy?

Solution :

There are 4 packages, each of which has 6 cookies.

Then, number of cookies Callie buys :

= 4 x 6

= 24

Problem 2 :

Lily bought 5 packs of light bulbs. Each pack has 7 light bulbs. How many light bulbs did Lily buy?

Solution :

There were 5 packs, each of which had 7 light bulbs.

Then, number of light bulbs Lily bought :

= 5 x 7

= 35

Problem 3 :

Rick’s grandmother pledged $0.50 for every mile Rick walked in his walk-a-thon. Rick walked 9 miles. How much does his grandmother owe?

Solution :

Rick’s grandmother pledged $0.50 for every mile.

Rick walked 9 miles.

Then, amount of money for 9 miles is

= 9 x 0.50

= 4.50

Rick's grandmother owes $4.50.

Problem 4 :

Michael made 10 two-point baskets and 2 three-point baskets in Friday’s basketball game. He did not score any other points. How many points did he score in all?

Solution :

Points scored in 10 two-point baskets : 

= 10 x 2

= 20

Points scored in 2 three-point baskets : 

= 2 x 3

= 6

Total points scored in 10 two-point baskets and 2 three-point baskets :

= 20 + 6

= 26

Problem 5 :

Jack's speed is 57 miles per hour. If he keeps going at the same rate, find the distance traveled by Jack in 6 hours.

Solution :

Jack's speed is 57 miles per hour.

That is, distance covered in one hour is 57 miles.

Then, the distance covered by Jack in 6 hours is

= 6 x 57

= 342 miles

Problem 6 :

Raul’s bedroom is 4 yards long. How many inches long is the bedroom?

Solution :

1 yard = 36 inches

Then, 4 yards is

= 4 x 36

= 144 inches

Raul's bedroom is 144 inches long.

Problem 7 :

If 1 lb. of sea food costs $18.50, find the cost of 5 lbs. of sea food.

Solution :

Given : Cost of 1 lb. is $18.50.

Then, cost of 5 lbs. :

= 5 x 18.50

= 92.50

Problem 8 :

Jeff burns 500 calories per hour bicycling. At the same rate, how many calories can he burn in 3 hours?

Solution :

Given : Jeff burns 500 calories per hour bicycling.

That is, in Jeff burns 500 calories in one hour.

Then, Amount of calories Jeff can burn in 3 hours is

= 3 x 500

= 1500

Problem 9 :

A box of pencils contains 24 pencils and a box of pens contains 35 pens. Justin bought 2.5 boxes of pencils and 3.8 boxes of pens. Find the total number of items Justin bought.

Solution :

Total number of items Justin bought :

= 2.5 x 24 + 3.8 x 35

= 60 + 133

= 193

Problem 10 : 

In a word document. Jessica types 12 lines in 20 minutes. At the same rate, how many lines will she type in one hour?

Solution :

Given : Jessica types 12 lines in 20 minutes.

Since 1 hour = 60 minutes, there are three 20-minutes sessions in 1 hour.

So, number of lines typed by Jessica in one hour :

= 3 x 12

= 36 lines

Problem 11 : 

The distance from city A to city B is 53 miles. The distance from city B to city C is three times of the distance from city A to city B. Find the distance from city A to city C.

Solution :

Distance from city A to C :

= AB + BC

Given : The distance from city B to city C is three times of the distance from city A to city B.

= AB + 2(AB)

The distance from city A to city B is 53 miles.

= 53 + 2(53)

= 53 + 106

= 159 miles

Problem 12 : 

Mr. James has invested $250 in stock A. In stock B, he has invested 2.5 times of what he invested in stock A.  Find the total investment made by Mr. James.

Solution :

Total investment made by Mr. James :

= Investment in stock A + Investment in stock B

= Investment in stock A + 2.5(Investment in stock A)

Given : Mr. James has invested $250 in stock A.

= 250 + 2.5(250)

= 250 + 625

= $875

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