Can someone help on this question?

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

Abouncy ball is released from a certain height. on the first bounce, it travels 32cm. with each subsequent bounce, it travels 9/10 the distance of the previous bounce. what is the total distance that the ball has traveled when it completes its 25th bounce?