Simple proportion - practice problems

Number of problems found: 228

Building a wall
If 12 men can build a wall 398 metres long in 48 days, how long would it take 33 men to build a wall 347 metres long? Answer to 3 decimal places..
A father
A father wants to leave 30,000 to his four children in the ratio of 1:2:3:4. How much will each of the four children receive ?
Car fuel
Tanya drove 3 1/2 hours and used 1/3 tank of gas. For how long could Tanya drive using 1/2 tank of gas? Enter your answer as a mixed number in simplest form in the box.
Pamela 2
Pamela drove her car 99 kilometers and used 9 liters of fuel. She wants to know how many kilometers (k) she can drive with 12 liters of fuel. She assumes the relationship between kilometers and fuel is proportional. How many kilometers can Pamela drive wi
Shadow 73354
How long is the shadow of a tree 7.6 m high, and the shadow of a 190 cm high road sign is 3.3 m long?
Connected 73184
The tractor driver connected two seed drills behind the tractor and sowed 7 ha of grain in 5 hours. How many hectares did he plant in 8 hours the next day if he connected three seed drills?
Relay 2
Marco Racer's best time in the 100 yard relay is 15 1/4 seconds. How many seconds would it take him to run 450 yards at the same rate?
Balloons 72174
On the first day, 25% of the balloons were sold. On the second day, 45% of the balloons. How many balloons did they have left on the third day?
Determine 70834
At the same time, a vertical 2-meter pole casts a shadow of 0.85 meters. At the same time, a chimney of unknown height casts a 45m long shadow. Determine the height of the chimney.
13680m2 70374
Eight painters painted an area of 15200 m ^ 2 in 5 days. How many painters will paint an area of 13680m² in 3 days?
A scale
A map scale states that every ¼ of an inch represents 20 miles. If two cities are 3½ inches apart, how many miles are actually between the two cities?
Workshops 67984
In eight workshops, 40 employees process 32 tons of oranges. How many workers will process 9 tons of oranges in 9 workshops?
Writing 67964
The typist typed 20 pages of text in 2 hours and 40 minutes. How many pages of text would she write at the same writing speed in 20 minutes?
Transported 67924
On Thursday, 240 skiers had to be transported, with two buses taking 30 minutes. How long did the transport take on Saturday if there were 660 skiers on the piste and three buses were used?
Discount 67354
Skates have fallen by 36% after the winter season on sale. Their price after the discount was 48 euros. What was the original price?
Information: 67064
The package of beef bought in the store had this information: 0.520 kg and a price of 64 CZK. How many crowns does 1 kg of this type of meat cost?
Manufacturer 67024
The car manufacturer states that the car consumes an average of 6.8 liters of gasoline per 100 km. How many liters of petrol does it use for a 348 km journey?
Kilograms 65254
Twelve sheep will eat 5100 kg of hay in 17 days. How many kilograms of hay will seventeen sheep eat in 12 days? a) 1020kg b) 3600kg c) 5100kg d) 7225kg
Gasoline 65034
My father refueled 40 liters of gasoline for 61.40 euros. He then refueled 8 liters of the same petrol into an empty canister. How many euros did gasoline cost in a canister?
Products 64374
The machine will produce 5,600 products in 7 hours. How many products will they make in 8 hours?

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