Answer:
$10.8 is left.
Step-by-step explanation:
Given that,
Total amount = $54
Left amount = 20%
We need to find how much tip should you leave. It means we need to find 20% of 54. So,

So, $10.8 is left.
Answer:
no
Step-by-step explanation:
linear functions have straight lines
so this is not a linear function
8.25x= 15 so....
15/8.25=x so....
1.81~=x so....
To the nearest dollar it 2$/lb