Need Some Help With Math Questions Please Take A Look?
Each year, Terrell buys a plane ticket to visit his grandmother for a week. Last year, he paid $130. This year, he paid $169. What was the percent increase in the cost of his plane ticket? Show your work.
Isabelle made $51,000 last year. Randall made $20,000 plus 30% commission on $90,000 in sales. Who had a higher income last year? Explain.
Hanna makes her own furniture polish using 25% vinegar and 75% olive oil. Write and solve an equation to determine how much total solution she made if she used 2 cups of vinegar. Show your work
Purvi and her friends tipped their waiter a total of $6 for dinners that cost $9, $8, $11 and $12 each. Use a percent proportion to solve for the percent tip they left the waiter. Show your work.
Thank you so much!

(1 votes, average: 4.00 out of 5, rated)