Each equation below is followed by several stories. Select all of the stories that can be represented by the equation. If none of the stories can be represented, select "None of the above'

Hannah walks dogs for four different families. She charges each family the same amount of money per hour. The numbers of hours she worked last week walking dogs for each of the families are shown. 1 hours, 2 hours, 1 hours, 3 hours Hannah earned $93 for the hours she worked last week walking dogs. 1) Calculate the amount of money Hannah earns per hour for walking dogs. 2) Write an equation that can be used to determine the amount of money, m, in dollars, Hannah earns when she works h hours walking dogs. Remember to show your work or explain your answer.

In an interview with the headmaster of a senior high school in the Central Region it was revealed that the students' population was 480 of which the boys were 50 more than the girls. Taking the number of girls to be x and the boys to be y, find the number of boys and girls in the school. Write down the two possible equations involving x and y; find the number of  a. Girls and b.boys in the school.