It's 8n meaning 8 times n (8*n) so for example for 5 nights she would sleep : 8*5 = 40 hours in total.
Answer:
<h2>72 + 63x</h2>
Step-by-step explanation:
(8+7x) x 9 =
8 x 9 + 7x x 9 -
72 + 63x
Hope that helps!
1/2 * 6b = 3b
1/2 * 8 = 4
Therefore;
3b - 4 = -10
Then add 4 to each side;
3b = -6
Then divide out the 3;
b = -2
Answer:
42
Step-by-step explanation:
its 41.8, but you cant take 41.8 trips, so you have to round it
