C is the answer because 2/3y=6
Y=6*3/2
Y=9
40% of 200 is 80 so 120 were sold at the door
Principal P = $500, Rate = 3 % = 3/100 = 0.03 would assume per year,
Time t = 6 months = (6/12) year = 0.5 year.
Simple Interest, I = P*r*t
= 500*0.03*0.5 = 7.5
And so therefore your answer is 7.5
Answer:
dividing the number by what?