Answer:
b = 16
Step-by-step explanation:
–12 = 4(b − 15) − 16
Add 16 to each side
–12+16 = 4(b − 15) − 16+16
4 = 4 (b-15)
Divide each side by 4
4/4 = 4(b-15)
1 = b-15
Add 15 to each side
1+15 = b-15+15
16 = b
Answer:
5/7, 2/7, 5/7, 2/7, 5/7.
Step-by-step explanation:
The answers are given from left to right then top to bottom .
The probability of a tail is 1 - 2/7 = 5/7.
I'm not entirely sure what you are asking but the equation would be r/220=t.