Pleaaaseeeee hellpppp I'm begging :(!!!!!!!! I nee an answer for number 12 pleaaaseee !! For brainlest and thanks :))

Pleaaaseeeee hellpppp Im begging I nee an answer for number 12 pleaaaseee For brainlest and thanks class=

Respuesta :

31.25/5 = 6.25 per hour

50/8 =6.25 per hour

 so 6.25 x 3 = 18.75 for 3 hours