What number has 3 hundreds, 4 more tens than hundreds, and 1 more one than hundreds?

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

Which equation expression the relationship between the number of boxes b and the number of cans c and the proportion is 48

The table showed price paid per concert ticket on a popular online auction site. what was the average price paid per ticket