If two adults and three children go to the movies, it costs $31.50. if one adult and five children go to the movies, it costs $35.00. what is the cost of one adult movie ticket?
using a = cost of adult ticket and c = cost of child ticket, write a system of equations that could be used to solve the given problem.

Jessica is a custodian at oracle arena. she waxes 20 m2 of the floor in 3/5 of an hour. jessica waxes the floor at a constant rate. at this rate how many sqaures meters can she wax per hour

John bought 5 lemons and used 2 of them for a salad how much did he use for. a salad . he used % of the lemons.

Five dinosaurs go for a walk and come across some lovely chicken wings. their names are rexy, bronto, steggy, paly, and terry. there are exactly 5 dozen wings(equal enough for each dino to have a dozen right? ); however, terry is on a diet and he only eats 6 wings. if paly eats 2 more than terry, steggy eats 4 more than paly, and bronto and rexy eat the same amount because they are really hungry from not eating all day, how many chicken wings did each dino eat?