Answer:
15% percent of the bill was her tip.
Step-by-step explanation:
Given:
Audrey gave a $0.90 tip to a waitress for serving a meal costing $6.00.
Now, to find the percent of the bill was her tip.
The bill was = $6.00.
The tip she gave = $0.90.
Now, to get the percent of the bill was her tip:
[tex]\frac{The\ tip}{The\ bill}\times 100[/tex]
[tex]=\frac{0.90}{6.00} \times 100[/tex]
[tex]=0.15\times 100[/tex]
[tex]=15\%.[/tex]
Therefore, 15% percent of the bill was her tip.
