1. 1.125
2. 0.08333333333
good luck :)
19 guests because each guest is $2 each according to the question.
Function: 12+0.5x
12+0.5x=18.5
0.5x=6.5
x=13 days
R is 4 if I'm wrong sorry
Set equations for both containers:
Condition one: $y=2x$
Condition two: $(y-3)=4.5(x-2)$
plug in $y$ from condition one into the second equation:
$2x-3=4.5x-9$
simplify gives: $2.5x=6$
$\boxed{x=2.4}$
$\boxed{y=4.8}$
