Apersons weekly pay is directly proportional to the number of hours worked. shawn's pay is $123.00 for 20 hours of work. find the amount of pay for 31 hours of work?

Can some one me with these questions

Jo divides a candy bar into eight equal pieces for her children to share she gives three pieces to sam three pieces to leslie and two pieces to margie rose the two month old baby does it doesn't get any what fraction shows how muchw candy each of the four children got. what's the answer to my question

100 points and 1- -12=y-36 2- x/25=-25 3- -n=40