Help please 6. a trampoline park charges $5.50 per hour for kids and a flat $3 admission fee for parents. mrs. bernard would like to take her son and spend no more than $20 at the trampoline park. how many hours will her son be able to jump? b. 5.50x + 3 < 20 a. 5.50x + 3 > 20 d. 3x + 5.50 < 20 c. 3x + 5.50 < 20