First multiply
.45*647= 291.15
291.15 is the number of people that attended
subtract 291.15 from 647 and you get 355.85 wait.. but that's not possible so just round it so the answer to your question is 355 people did not attened
2/3 of 24 is:
24 divided by 3= 8
8+8=16
answer is 16
Hey I can help give me one moment .
4 more than 4 times x is 45 the answer will be x=41/4
