On Thursday, r centimeters of rain fell on Deborah's garden. On Saturday, 15% more rain fell on the garden. The expression r + 0.15r describes the number of centimeters of rain Deborah's garden got on Saturday. We
can also use the expression 1.15r to represent the same quantity.
Match each amount in the situation with the expression that represents it.

Abank manager wants to encourage new customers to open accounts with principals of at least $2,500. he decides to make a poster advertising a simple interest rate of 3%. what must the principal be if the bank manager also wants to advertise that one can earn $10 the first month? can the poster correctly say, "open an account of $2 comma 500 and earn at least $10 interest in 1 month! "?