Answer:
y=5x+42
Where y is the money he earns and x is the number of person he serves.
Step-by-step explanation:
Let the number of person he serves =x
It is given that he earns $5 as tip for each person he serves.
Hence total tip earned for serving x person=5x
His fixed wages are $7 per hour and he works for 6 hours a day. Hence his wages per day are $7*6 =$42
Hence total money earned for a day , say y can be represented as
y=5x+42
