Please see picture above.
Answer:
Pete worked for 4 hours.
Step-by-step explanation:
If you subtract his tips from his overall total (50-16) you get 34. Now you divide what's left of his total by his hourly wage (34/8.5) which gets you 4.
D is your answer
Expand and do FOIL method (first outside inside last)
simplify and then choose right answer
A is your answer
Do the same thing
hope this helps
1 week = 7 days

Answer : Thomas spends $9.80 on food in one week.
Hope this helps. - M