Answer:
n=11
Step-by-step explanation:
(n+4)/10 = (n-8)/2
We can solve using cross products
(n+4) * 2 = 10 * ( n-8)
Distribute
2n+8 = 10n -80
Subtract 2n from each side
2n+8-2n = 10n-80-2n
8 = 8n-80
Add 80 to each side
8+80= 8n-80+80
88 = 8n
Divide each side by 8
88/8 = 8n/8
11 = n
Answer:
<h3><u>Required Answer</u><u>:</u><u>-</u></h3>
Answer: 4 to the power of 4
Step-by-step explanation: Adrian started of with $4 and by month 4 he will have 256. 4•4•4•4=256