Respuesta :
Greg worked 7 hours on Friday and earned an additional $40 in tips. Then he worked 6 hours on Saturday and earned an additional $35 in tips. Greg earns (d) dollars each hour that he works.
[tex]7d + 40 + 6d + 35 [/tex]
[tex]13d + 75[/tex]
[tex]7d + 40 + 6d + 35 [/tex]
[tex]13d + 75[/tex]