Can Someone help me with these 4 questions I try it on my own but I didn’t get any of those numbers can u plz help me out

Can Someone help me with these 4 questions I try it on my own but I didnt get any of those numbers can u plz help me out class=

Respuesta :

ok so 4 1/2%=4.5%=0.045
so to solve you would do 0.045*28 which equals 1.26 therefore the correct answer is b