Sam bought a car for $15392 how much will he need to repay each weak if he wants to pay back in exactly 2 years

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?