Answer:
the first one
Step-by-step explanation:
1. 1310 x 0.15 = 196.5
2. 1310 - 196.5 = 1113.5
3. 1113.5 - 310 = 803.5
4. 803.5 - 405 = 398.5
5. 398.5 divided by 2 = 199.25
X=13 because if it were 14 then the total amount of people would be 360. There can be 13 seats in each row is what it means.
Answer:
Step-by-step explanation:
The time of a red light = 42 seconds
The time of a green light = 45 seconds
The time of a yellow light = 5 seconds
so,
All times = 42 + 45 + 5 = 92 seconds
Then
The probability to see a red light in one day = P(red)= (The time of a red light) ÷ (all tmes)
So, P(red) = 42/95
And
The probability to see a red light in five days = {P(red)}⁵ = (42/95)⁵
= 0.01689
= 1.689 %