Is 2750 a reasonable answer for 917 times 33

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b.you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c.you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d.you spend $5 plus $10 per week until you have less than $45.

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x