Reggie left a 15% tip for a meal that cost $51. What was the amount of the tip? A. $3.40 B. $6.60 C. $7.065 D. $8.15

Question

mathematics

Answer 1

"Reggie left a 15% tip for a meal that cost $51. What was the amount of the tip?"

 

Re-word:  "What is 15% of $51?"

 

15% may be written as 15% or (15/100) or 0.15 as needed by the problem.  In word (story) problems, the word "of" usually means multiply.

 

So, what is (15/100)*51 ?

      (15/100)*51 = 7.65

 

Reggie left a tip of $7.65

(You must have made a typo; I do that pretty often.)

 

Also, note for checking:  10% of 51 is a little more than $5 and 5% is half of that, so a little more than $5+2.50 is "in the ballpark."