Respuesta :

Salutations!

Number of people Noah visited = 40

Number of hours taken = 4

Number of hours taken to visit 120 people -----

You need to cross multiply 

40 people = 4 hours

120 people = ?

[tex]120*4/40[/tex]

[tex]120*4 = 480[/tex]

[tex]480/40=12[/tex]

It took Noah 12 hours to meet 120 people

Hope I helped (:

Have a great day!