1. 2 1/2 = 1 2/3 ÷ y

2. i thought of a number, added 4 5/7 to it, and got the number equal to the original number multiplied by 12. what was the original number?

can someone me? this is for rsm.

As voters exit the polls, you ask a representative random sample of voters if they voted for a proposition. if the true percentage of voters who vote for the proposition is 63%, what is the probability that, in your sample, exactly 5 do not voted for the proposition before 2 voted for the proposition? the probability is