Answer:
variables
Step-by-step explanation:
Are you asking for an answer like this?
Sandra lays 3.75 tiles in one hour
The answer is 1 , because x-2 becomes 2x and you subtract 5x from 2x and and get 3x and 3/3 is 1
1.5 as a mixed muber is 1 and 1/2, as an improper fraction it could be 3/2