The firs t res is x=4
the second is D
Answer: I’m not really sure what the correct answer is if you could help that would be great so let me know
Step-by-step explanation:
The plumber worked for 5 hours because 450-200=250 which gets rid of the initial fee so 250 divided by 50 is 5
My guess is 30 mins sorry if wrong hope this helps
