Answer:
y= 115
Step-by-step explanation:
Step one:'
given data
The total charge for this cabin is represented by the equation
[tex]y=4x+35[/tex]
we are told that y represents the total cost and x represents the length of stay in days
Required:
the value of y when x= 20
Step two:
substitute
[tex]y=4(20)+35\\\\y=80+35\\\\y=115[/tex]