What is a solution for this problem 60-36/3*4

What is the solution to the equation in the & show work i’m very

In a sale there is 25% of all prices a chair costs £45 in sale how much was it before the sale

Aresearcher believes increased perceived control influence the well-being of residents at a nursing home. to test this , she allowed one group of residents to have control over their daily lies, (where to eat etc) . the other group of 5 residents had these deceisions made by staff. the resident's feelings of well-being were measured on a 10 point scale at the end of a one month trial period. is there a difference on well-being?