What is the result of 2 divided by 4/10 ?1/5 4/5 5 20

The price of a car has been reduced from $19,000 to $11,590. what is the percentage decrease of the price of the car?

The coordinate grid shows a pentagon. the pentagon is translated 3 units to the right and 5 units up to create a new pentagon. what is the rule for the location of the new pentagon?

If johnny ate 5 cans of sugar, but in the kitchen they only had 3. what did johnny eat? (he found a secret stash btw.)