A Woolen shirt cost $25 more then a cotton shirt . If 3 cotton shirts and one woolen shirt $145 , what is the cost of one woolen shirt ?

step-by-step explanation:

if x = 2 you have to find x to finish the problem

step-by-step explanation:

to find if any function is an inverse of the other, put the first equation in as x in the next one. then simplify and solve. if at the end you get the statement y = x, then it is an inverse. if you get anything else, it is not.