Answer:
C. 61%
Step-by-step explanation:
out of 100 people, 39 liked ketchup while 61 did not. The ratio and percentage is 61%
Answer: -30
Step-by-step explanation: -13 subtract 17 = -30
Answer:
X= 18; Y=15
Step-by-step explanation:
As a student myself working this out I cannot explain how I got the answer but I know it is correct.
Answer:
109 car stereos
Step-by-step explanation:
If 149 car stereos had a CD player (with or without a cassette player), and 40 car stereos had both a CD and a cassette player, the number of stereos with only a CD player is determined by:

109 car stereos had only a CD player.