Jonah wants to buy two copies of a book. which algebraic expression could jonah use to find the value of the items

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Anew shopping mall is gaining in popularity. every day since it opened, the number of shoppers is 5% more than the number of shoppers the day before. the total number of shoppers over the first 10 days is 1258 how many shoppers were on the first day?

Oliver read for 450 minutes this month his goal was to read for 10% more minutes next month if all of her medicine go how many minutes will you read all during the next two months