3/4 is .75. translate that to percentages, and you get 75%. This means that it is likely that 75% of the 340 students in total will vote for Nuncio.
write it out:
.75*340
solve:
255
about 255 students are likely to vote for Nuncio
2x+6=x+3 this is the answer
They are telling you to make inches into feet
I foot equals 12 inches
84 divided by 12 equals 7
Answer is seven