Answer:
8+5n is equivalent to p(4+2.5n) 8+5n is equivalent to p(4+2.5n)sa
Step-by-step explanation: 8+5n is equivalent to p(4+2.5n) 8+5n is equivalent to p(4+2.5n) 8+5n is equivalent to p(4+2.5n) 8+5n is equivalent to p(4+2.5n) 8+5n is equivalent to p(4+2.5n) 8+5n is equivalent to p(4+2.5n) 8+5n is equivalent to p(4+2.5n) 8+5n is equivalent to p(4+2.5n) 8+5n is equivalent to p(4+2.5n) 8+5n is equivalent to p(4+2.5n) 8+5n is equivalent to p(4+2.5n) 8+5n is equivalent to p(4+2.5n)
Let's name the seats 1 through 120.
Occupy seat 2.
Leave 2 empty seats. You can't leave 3 empty seats because then the middle seat of the three empty seats is not adjacent to an occupied seat. You can leave only 2 seats empty. Seats 3 and 4 are empty.
Occupy seat 5.
Leave 2 empty seats. Seats 6 and 7 are empty.
Keep on going like this to the end, occupying 1 seat and leaving 2 seats empty.
Now we need to find the number of occupied seats.
Think of the entire row being divided into groups of 3 seats.
The middle seat of each group is occupied.
Since there are 120 seats in the row, there are 40 groups of 3 seats whose middle seat is occupied. There are 40 middle seats, so there are 40 occupied seats.
Answer: 40 seats
Answer:
40
Step-by-step explanation:
80% of the test = 32 questions
100% of the test = x questions
Cross multiply
80*x = 100 * 32 Combine the right
80x = 3200 Divide by 80
x = 3200/80
x = 40
There are 40 questions on the test.
Answer:
25
Step-by-step explanation:
5^2
This means take the number 5 and multiply it by itself 2 times
5*5
25
Answer:
836 cm^2
Step-by-step explanation:
30 *30 = 900
4*4=16 *4=64
900-64 = 836cm^2
