Answer:
They should leave $12.90 or round up to $13
Step-by-step explanation:
To find out the tip amount:
Convert 20% to .20
Multiply .20 x 64.50
=12.9
Answer:
I believe it's A
Step-by-step explanation:
It is the first choice. All you have to do is isolate A from 2A so you would divide by 2 and get A=bh/2