The local humane society is restocking on cat food to prepare for kitten season . very young kittens need kitter formula which coast $3.99 per bottle . older kittens need wet cat food which cost $1.50 per can

part a) write and algebraic expression to describe how much the humane society will sownd on kitten supplies . identify the parts of the expression by underlining the coefficient(s), circling the constant(s) , and drawing a box around the variables(s) .

part b) how much money (before tax) will the humane society spwnd if they buy 30 bottels of kiyten formula and 120 cans of wet food ?

part c) if you add 7% sales tax to the purchase of thw bottles of kitten formula and cans of wet cat food , how would the algebraic expression used in parts a and b change