first you have to find you what 55% of 500 is
500*0.55=275
so that equals 275
now subtract it from 500
500 - 275 = 225
answer is 225
17/4*inverse of 3/4
17/4*4/3
=17/3
Answer:
0.046218487395
Step-by-step explanation:
8 people prefer pepperoni because 50 people times .16 is 8
Due to the margin of error of 10% I would say that then at least 48% wanted the school year lengthened and at least 32% want to keep it the same. I got these figures by subtracting the 10% from the nominal figures to give minimum figures for both.