DECIMAL WORD PROBLEMS WORKSHEET

Problem 1 :

Benjamin fills his car with 50 liters of petrol. How much does it cost him if petrol is selling at 94.6 cents per liter?

Solution

Problem 2 :

Potting mix sells at $3.80 per kg. How much would a 3.5 kg bag of potting mix cost?

Solution

Problem 3 :

The sweet shop sells licorice at $9.40 per kg. How much would 250 g of licorice cost?

Solution

Problem 4 :

The cost of electricity is 43.4 cents per kilowatt for each hour. What would:

i)  500 kilowatts of electricity cost for one hour

ii)  It cost to burn a 60 watt globe for 10 hours?

Solution

Problem 5 :

At a milk processing factory, cartons are filled from large refrigerated tanks that each hold 8400 liters. How many 600 ml cartons can be filled from one tank?

Solution

Problem 6 :

A large mixer at a bakery holds 0.75 tones of dough. How many bread rolls, each of mass 150 g, can be made from the dough in the mixer?

Solution

Problem 7 :

How many dozen bottles of wine can be filled from a 9000 liter fermentation tank if each bottle holds 750 mL?

Solution

Problem 8 :

A trophy store wishes to make brass medallions, each of mass 17.5 g, from 140 kg of brass. How many medallions can be made?

Solution

Problem 9 :

The money collected from ticket sales for the talent show is $2692.50. Estimate the number of tickets sold.

Solution

Problem 9 :

A surf shop sits 75 feet from a shoreline. Each year 6.375 feet of the beach is lost due to erosion. Your friend says the water will reach the shop within 9 years. Is your friend correct? Explain.

Solution

Problem 10 :

Your family is driving to visit friends who live about 420 miles away. Your car gets 27.3 miles per gallon of gasoline.

a. Estimate how many gallons you will use driving there and back.

Solution

Problem 11 :

Estimate the area of the figure by rounding to the nearest whole number

Solution

Problem 12 :

Estimate the area of the figure by rounding to the nearest whole number

Solution

Problem 13 :

Estimate the area of the figure by rounding to the nearest whole number

Solution

Problem 1 :

Brenda got $40 from the ATM. She spent $15.11 on a pair of earrings. How much money did she have left?

Solution

Problem 2 :

Roberto’s restaurant bill was $20.45 for the entrée and $3.15 for the drink. He left a $4.40 tip. How much did Roberto spend? 

Solution

Problem 3 :

Leo took part in a diet program. He weighed 190 pounds at the start of the program. During the first week, he lost 4.3 pounds. During the second week, he had lost 2.8 pounds. The third week, he gained 0.7 pounds. The fourth week, he lost 1.9 pounds. What did Leo weigh at the end of the fourth week?

Solution

Problem 4 :

Arianna spends $4.50 per day on subway fare. Last week she rode the subway 6 days. How much did she spend for the subway fares?

Solution

Problem 5 :

Alan got his first paycheck from his new job. He worked 30 hours and earned $382.50. How much does he earn per hour?

Solution

Problem 6 :

Jeannette and her friends love to order mud pie at their favorite restaurant. They always share just one piece of pie among themselves. With tax and tip, the total cost is $6.00. How much does each girl pay if the total number sharing the mud pie is

(a)  2?      (b)  3?     (c)  4?     (d)  5?       (e)  6?

Solution

Problem 7 :

Jasmine wants to have her birthday party at the local ice skating rink. It will cost $8.25 per child and $12.95 per adult. What will the total cost be for 12 children and 3 adults?

Solution

Problem 8 :

Annie has two jobs. She gets paid $14.04 per hour for tutoring at City College and $8.75 per hour at a coffee shop. Last week she tutored for 8 hours and worked at the coffee shop for 15 hours.

a) How much did she earn?

b) If she had worked all 23 hours as a tutor instead of working both jobs, how much more would she have earned?

Solution

Problem 9 :

A day-care center is building a new outdoor play area. The diagram shows the dimensions in meters. How much fencing is needed to enclose the play area?

Solution

Problem 10 :

You work 1.15 hours on English homework and 1.75 hours on math homework. Your science homework takes 1.05 hours less than your math homework. How many hours do you work on homework?

Solution

Problem 11 :

The weight of an object on the Moon is about 0.167 of its weight on Earth. How much does a 180-pound astronaut weigh on the Moon?

Solution

Problem 12 :

A bamboo plant grows about 1.25 feet each day. Find the growth in one week. 

Solution

Problem 13 :

A fingernail grows about 0.1 millimeter each day. How much does a fingernail grow in 30 days? 90 days?

Solution