Ricky and his friends went out to eat and their bill came out to $45. They wanted to tip their server 12% how much of a tip will they have?
Answer:
5.4
Solution:
12% of 45
method 1: 1% of 45 is .45, so .45x12=5.4
method 2: 10%=4.5. 2%=10%/5=0.9. 4.5+0.9=5.4