Please help me i dont understand at all.

A store sells candy at $.50, $1, $1.50, $2, and $3 per kilogram. How many kilograms of each kind of candy does $3 buy? Answer:

1. How many kg of candy at $.50 per kilogram could be bought.

2. How many kg of candy at $1 per kilogram could be bought.

3. How many kg of candy at $1.50 per kilogram could be bought.

4. How many kg of candy at $2 per kilogram could be bought.

5. How many kg of candy at $3 per kilogram could be bought.