Eric works at a food cart that sells hamburgers and hot dogs. each hamburger costs $4.75 and each hot dog costs $3.75. on monday afternoon, he sold a total of 84 hamburgers and hot dogs and collected a total of $339. which system of equations could be used to find the number of hamburgers (x) eric sold on monday afternoon? a. x + y = 84 3.75x + 4.75y = 339 b. x + y = 339 3.75x + 4.75y = 84 c. x + y = 84 3.75x + 4.75y = 339 d. x + y = 84 4.75x + 3.75y = 339

Yuto and hila attempted to solve the same inequality. their work is shown below. which statement is true about the work shown above? yuto is correct because he isolated the variable correctly and reversed the inequality symbol. yuto is incorrect because he should not have reversed the inequality symbol. hila is correct because she isolated the variable correctly and reversed the inequality symbol. hila is incorrect because she should not have reversed the inequality symbol.