Start with
Subtract 2 from both sides:
Divide both sides by 6:
Step-by-step explanation:
x= 20
3/5x= 12
3x= 12*5
x= 60/3= 20
Check
Putting x = 20 in 3/5x=12
LHS = 3/5*20
= 12
RHS = 12
LHS = RHS
Total number of people in the sample = 193 + 127 + 96 = 416
Probability of picking 23-30 year old = 92 /416 = 0.2212 ( not including the people who smoke)
Number of people who smoke = 60+35+23 = 118 people
Prob(someone who smokes) = 118/416 = 0.2837
So required probability = 0.2837 + 0.2212 = 0.505 (answer)
Answer:
try using the point (1,13)
Step-by-step explanation: I pulled up and online graph to help and the distance from A to B is 7/2. So then you would do B, plus 7/2. If that's wrong, I'm sorry, but i tried.
Answer:
6.75
Step-by-step explanation:
use the proportion:
1) 20:9=15:x
2) 20x=135
3) x=6.75
