1: This year Cornell's class took one more than three times as many field trips as last year's class. This Year, Cornell's class took a total of 7 trips. How many trips did his class take last year?
2: This week, Jamyra spent a total of 100 minutes studying. This total was 8 more times more than four times the amount of minutes she studied last week. How many minutes did Jamyra spend studying last week?
3: James earned a total of $900 last week. This total was $10 less than five times the amount he earned last week. how much money did james earn last week?
4: Kaya rented a limousine for prom. There was a one time charge of $100, plus an hourly rate of $45. Her total cost for the night was $347.50. How many hours did kaya rent the limo for?
5: At a pizza eating competition, Davonne ate two more than twice as many slices as the runner-up. if Davonne ate 11 slices, then how many slices did the runner-up eat?
6: Anthony received $150 for his birthday this year, This was $10 less than half the amount received last year. How much money did anthony receive for his birthday last year?
7: Jasmine is 5 years younger than twice her sister's age. If jasmine's sister is 22 years old, then how old is jasmine?
8: Ronnie charged his customers a flat fee of $25 to fix computers. Then he charged $20 for each hour that he spent fixing the computer. If Ronnie made $175 off of his first customer, how many hours did he spend working?