- 1. Number of books we buy and the money we pay
A) None
B) Inverse
C) Direct
- 2. The price of one book and the number of books I can buy with 50€
A) Direct
B) Inverse
C) None
- 3. Number of cows and the time I can feed them with 1000 kg of food
A) Direct
B) Inverse
C) None
- 4. Number of cows and the kilograms they eat
A) Direct
B) Invese
C) None
- 5. The speed and the time to arrive to a place
A) Direct
B) Inverse
C) None
- 6. The speed and kilometres we cover
A) None
B) Direct
C) Inverse
- 7. Number of people and the time needed to do something
A) Inverse
B) None
C) Direct
- 8. Number of people and the number of units they can produce
A) Invese
B) Direct
C) None
- 9. The price of a book and the number of pages it has
A) Inverse
B) None
C) Direct
- 10. The age and the height
A) Direct
B) Inverse
C) None
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