Casting out 9s. 55617+83536+43886+99742= i have done this problem and not getting the numbers to match. this is the 2nd time. plz

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation

Find two numbers if their sum is 91 and the ratio is 6: 7?

Write 5 in the form of a/b using integers to show it as a rational number