Proportional?
The weight of an apple and its price.
YES
The volume of water and its weight.
DIRECTLY
Rosa has paid 3.60€ for 300 grams of cheese. How much will she pay for 150 grams?
1.80 €
10 % of 83
8.3
80% of the 430 employees in a factory work the morning shift. How many work the morning shift?
344 employees work the morning shift.
A person's age and the number of times he goes to the doctor.
NO
The flow of a tap and the time it takes to fill a pool.
INVERSELY
A tap fills a 20-litre bucket in 5 minutes. How long will it take to fill a 12-litre container?
It will take 3 minutes
25% of 50
12.5
A survey of Sevilla reported 620,000 inhabitants, but the town's population has increased 5% since then.
What is the current population?
the current population is 651,000 inhabitants.
The speed of a train and the time it takes to travel from Sevilla to Valencia.
YES
The speed of a car and the time it takes to travel a certain distance.
INVERSELY
A hiker, walking at 4 km/h, travels a certain distance in 1 hour and 40 minutes. How long will it take a cyclist to cycle the same distance at 20 km/h?
20 minutes
75% of 84
63
The Biology teacher is on a diet because he has 125 kilos. In a week he has lost 15. What was her percentage weight loss?
He lost a 12% of her weight
The price of a book and its numer of pages.
NO
The price of apples and the number of kilos I can buy with the money I have.
INVERSELY
Four harvesters cut a hay field in three hours and twenty minutes. How long will one harvester take? What about five harvesters?
One - 13 hours and 20 minutes
Five - 2 hours and 40 minutes
32% of 50
16
A family buys a television that cost 840€. They pay 30% in cash, and the rest in 6 moths instalments. How much is each instalment?
An instalment is 98€
In a football match. The number of shots on target and the goals.
NO
The weight hanging from a spring and its length.
DIRECTLY
A train takes 8 hours to go from city A to city B, at an average speed of 54 km/h. How long will another train take to travel the same distance at 180 km/h?
It will take 2 hours and 24 minutes (144min)
120% of 751
901.2
For a mobile phone that has a discount of 25% I paid 150€. How much did it cost without the discount?
The price without discount is 200€