Respuesta :
Answer:
the cost of the dinner is $75
Step-by-step explanation:
Hello , I think I can help you with this
you can solve this using a simple rule of three
Step 1
the cost of the dinner is the 100%
$ 15 = 20%
$x? =100%
the proportion is
[tex]\frac{15}{20}=\frac{x}{100}[/tex]
Step 2
solve for x
[tex]\frac{15}{20}=\frac{x}{100}\\x=\frac{100*15}{20}\\x=\frac{1500}{20}\\x=75[/tex]
the cost of the dinner is $75
Have a nice day.
