Answer:
8%
Step-by-step explanation:
divide number of teenagers by total and the multiply by 100... this is very basic
A - 2b = 2 . . . (1)
a + b = 2(b + 3)
a + b = 2b + 3
a - b = 3 . . . (2)
(1) - (2) => -b = -1 => b = 1
From (2): a - 1 = 3 => a = 3 + 1 = 4
Therefore, a = 4 and b = 1
Answer:
4
Step-by-step explanation:
60
Step-by-step explanation:
6x10=60
Answer:
3.35.
Step-by-step explanation:
very simple!