Question 1062152
Let the full price of a room be x
Then the savings is 0.42x
-.--.-.-.-.
Now we can set up our equation
x-0.42x = 17
this is the same as
1x-0.42x = 17 
subtract 0.42 from 1, that becomes your new x.
0.58x = 17 divide both sides by 0.58 to get youranswer