Direct proportionality - practice problems - page 7 of 38
Number of problems found: 741
- American stars
Some movie stars are very well paid. Actor Leonardo DiCaprio received a fee of 20 million US dollars for the lead role in a film. In this film, which lasts 125 minutes, there is also a short scene in which DiCaprio takes 6 seconds to put on his boots. How - 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? - You want
You want to buy additional land in the shape of a rectangle with a width of 2,500 cm and a length of 0.065 km. If the price is Php 150,000/hectare, how much peso do you need to pay? - Chimney shadow height
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 45 m long shadow. Determine the height of the chimney. - Tax reports
If 1 1/2 accountants can do 2 1/2 tax returns in 1 1/2 hours, how many tax returns can three accountants do in 3 hours? - Street plan length
What length will the 120 m long street have on the plan at a scale of 1:1500? - Storm distance sound
The sound travels at a speed of 1 km in 3 seconds. If the thunder is heard 12 seconds after the lightning, what distance is the storm? - Niki
Niki is conducting an experiment in which the temperature is measured carefully. The temperature was 76°C at the end of the first minute, and then it fell by 5°C every minute. Determine a formula to calculate the temperature (T) after m minutes. - 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? - Beef burger resources
In the meat atlas published by the Jindřich Boll Foundation, it is stated that one kilogram of meat requires 6.5 kg of grain, 36 kg of feed mixture, and 15 cubic meters of water. Laura's slice of beef in the burger weighed 45 grams raw. How many kilograms - Orange workshop workers
Thirty-two tons of oranges are processed in eight workshops with 40 employees each. How many workers process 9 tons of oranges in 9 workshops? - Typist page speed
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? - Two buses
On Thursday, 240 skiers had to be transported, and two buses took 30 minutes to do so. If there were 660 skiers on the piste and three buses were used, how long did the transport take on Saturday? - Apple worker combing
Two temporary workers comb apples from 15 apple trees in 5 hours and 20 minutes. After two hours, three other temporary workers came to help them. How long did it take to comb apples from these 15 trees? - Sheep hay consumption
Twelve sheep will eat 5100 kg of hay in 17 days. How many kilograms of hay will seventeen sheep eat in 12 days? a) 1020 kg b) 3600 kg c) 5100 kg d) 7225 kg - Gasoline canister price
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? - Address on the envelope
Jane helped mom write the addresses on the envelopes. It took her 3 minutes to write the first address and only 2 minutes to write each other. How many minutes will it take her to list the addresses (including the first one) if she works at this rate? - Water pipe flow
Water flows out of the tank in 28 minutes via three identical pipes. How long would it run through seven similar pipes? - The proportion
Solve for N in this proportion: 6/5=30/N? - A pack
A pack of 8 sports drinks costs $5. How much would it cost to buy 72 sports drinks?
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