LCCC Algebra Math Pay Off the Interest Question

Question Description

I’m working on a algebra multi-part question and need an explanation to help me study.

1) A boy takes out a student loan for $2100. After a year, the boy decides to pay off the interest, which is 6.93. 6.93% of $2100. How much will he pay?

2)24 less than 7 times a number is 116. What is the number?

3)Four times the sum of 5 and some number is 76. What is the number?

4)the ages of Edna, Ellie, and Elsa are consecutive integers. The sum of their ages is 111.What are their ages?

Four times the sum of 5 and some number is 76. What is the number?

The sum of the page numbers on the facing pages of a book is 81. What are the page numbers?

The perimeter of a playing field for a certain sport is 180 ft. The field is a rectangle, and the length is 40 ft longer than the idth. Find the dimensions.