A waiter's salary consists of his salary and tips. During one week his tips were 7/4 of his salary. What fraction of his income came from tips ?  Choices: A) 4/9 B) 5/4 C) 5/8 D) 5/9 E) 7/11
Income = salary (s) +tips = s + s*7/4 = s*11/4   Tips = s*7/4   fraction of his income came from tips = (s*7/4)/(s*11/4)= 7/11   ANSW7/11R:7/11
<result>E</result>
A waiter's salary consists of his salary and tips. During one week his tips were 7/4 of his salary. What fraction of his income came from tips ?