# 6.1.5. Rates

A worker painted a wall whose area is in 3 hours. Find the rate of his work and how many square metres the same workercan paint in 2 hours.

• A,
• B,
• C,
• D,
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A family spends 400 LE in 20 days. What is the rate of their daily expenses?

• A380 LE per day
• B2 LE per day
• C LE per day
• D20 LE per day
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A family spends 960 LE in 8 days. What is the rate of their daily expenses?

• A952 LE per day
• B LE per day
• C12 LE per day
• D120 LE per day
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A car consumes 10 liters of fuel to cover a distance of 50 km. Calculate the rate of fuel consumption of the car.

• A40 L/km
• B5 L/km
• C0.2 L/km
• D0.4 L/km
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A car consumes 14 liters of fuel to cover a distance of 280 km. Calculate the rate of fuel consumption of the car.

• A0.1 L/km
• B20 L/km
• C266 L/km
• D0.05 L/km
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A water tap leaks 7 800 litres of water in 5 hours, find the leakage rate per minute.

• Alitre/minute
• Blitre/minute
• Clitre/minute
• Dlitre/minute
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A student used 343 carton sheets to make 7 equal cubes, then the rate of consumption sheets/cube.

• A336
• B4
• C49
• D
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A factory produces 7 500 cans of juice in 5 hours, find the rate of production.

• A cans/hour
• B
7 495
cans/hour
• C
1 500
cans/hour
• D150 cans/hour
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A ship consumes 512 litres of fuel to cover a distance of km, and another ship consumes 855 litres of the same fuel to cover a distance of km. Which ship consumes less fuel?

• Athe first ship
• Bthe second ship
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A runner can cover 42 metres in 14 seconds, while another runner can cover 81 metres in 0.7 minutes. Which runner is faster?

• Athe second runner
• Bthe first runner
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If a machine produces m of cloth in 3 hours, and another one produces m of the same cloth in 5 hours and a half, which one is more productive?

• Athe second machine
• Bthe first machine
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