Answer:
(a) 95% of people have an IQ score between 66 and 134.
(b) 32% of people have an IQ score of less than 83 or greater than 117.
(c) 16% of people have an IQ score greater than 117
Step-by-step explanation:
3x = 5(x + 3) - 3 |use distributive property: a(b + c) = ab + ac
3x = 5x + 15 - 3
3x = 5x + 12 |subtract 5x from both sides
-2x = 12 |divide both sides by (-2)
x = -6
Answer:
2 2/3 hours
Step-by-step explanation:
if the car can go 3 miles per hour that means it can go 10 miles in 2 2/3