Daniel bought a pokemon card at a store for $10. He sold the card for $20. Later he bought the same card back for $30 and then sold it again for $50.
How much money did he make or lose on the pokemon card?

Which sentence uses an objective tone? we will plant the best garden of any school in the area. the new campus garden will surely be envied by other schools. a garden would provide numerous benefits to the students. you will probably agree that gardens have many benefits.

Due to financial difficulties the owner of 4 skateboard stores is going to close 2 of his stores. based on the money earned at each store, which two stores should remain open?

Which equation can be solved to find x the measure of jk in the apex