mr. and mrs. smith children all play different sports. They want to buy a combination of soccer training sets which each cost $149 volleyball training set which each cost $127 and football training sets which each cost $275 let s represent number of soccer sets v represent volleyball and f to represent the number of football sets which expression represents the total amount of money the smiths will spend before sales tax based on the number of sports sets they buy?
A. 149+127+275
B.(149+127+275)(s+v+f)
C. 149s+127v+275f
D. s+v+f