Pleaaas hell i'm begging : ( i nee an answer for number 12 pleaaaseee for brainlest and : ))

31.25/5 = 6.25 per hour

50/8 =6.25 per hour

 so 6.25 x 3 = 18.75 for 3 hours

answer: you need to organize this better it does not make sense.

step-by-step explanation: ?

i would say b) is your answer

sorry if im wrong

step-by-step explanation: