Ineed with this 1st problem and if you can me this one and with the other ones i will post them thx

10 people

40            3                120
    *        =       = 30
1              4                  4

Within 30, 1/3 got a part in the show

30            1                   30
    *           =       = 10 
1               3                   3    

10 people got parts 

Answer: the correct answer is 10step-by-step explanation: let the number be n, then the expression becomes,then“twelve more than the quotient of a number and two, decreased by four” iswhen n=4,we substitute 4 whetever we see n to get,we simplify to obtain,we further simplify to get,therefore the correct answer is c.