Anita works for a dog-walking service. she earns a one-time fee of $10 plus an additional $2 for each dog she walks. if anita wants to earn at least $40, what is the minimum number of dogs she must walk?

Alarger number is double the sum of a smaller number. the larger number is 2 less than 3 times the smaller number. if y represents the larger number and x represents the smaller number, which equations model the situation