Answer:
16
Step-by-step explanation:
Hope this helps sorry if I'm wrong
The answer is x=5. This is because you need to simplify both sides and then isolate the variable.
£110 as 45mins times 4 radiators divided by 60 mins =3 hours
3 hours + 1 hour = 4 hours
4 hours times £20= £80
£80+£30=£110
1 because 1 is my favorite number and it’s good for guessing