Kimberly has been offered two options for her salary as a trainer at the gym. Option A would pay her $27500 dollars plus $15 for each training session. Under Option A, Kimberly would be paid P = | 15n + 27500 for n training sessions. Option B would pay her $21000 dollars plus $25 for each training session. Under Option B, Kimberly would be paid P =| 25n + 21000 for n training sessions. Write the equation to be solved to represent the situation when the salary options would be equal: After training sessions, the salary options will be equal.

The product of a number and 4 less than the number is 60 . Find the number.

A group of volunteers worked to clean up a park over 2 days. The number of volunteers on the second day was 5 more than half of the number of volunteers on the first day. There were 21 volunteers the second day. Write an equation to find the number of volunteers, v, on the first day.

Todd started a t-shirt business.  He spent $8.50 for each t-shirt plus his printing machine for $250.  a.Write an equation that represents his total cost, C, and where t represents the number of t-shirt purchased.     b.If Todd spent total of $420 for his business, then how many t-shirts were purchased?