Can someone please give me the right answer.

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?

You went to a restaurant and spent $53.25 on the meal. there was a 6% sales tax. what was the amount of money, not including a tip, you spent at the restaurant?