Hello,
if n=15: (4,1),(31,8),(244,63)
if n=7: (8,3),(127,48),(2024,765)
if n=99: (10,1),(199,20),(3970,399)
(Pell 's equation)
Answer:
$4
Step-by-step explanation:
Because we know that Nancy bought a drink for 2 dollars, and we are just trying to find the cost of the candy bars, we can subtract 2 dollars from the drink from the total cost:
38 - 2 = 36
Now, the 9 candy bars cost 36 dollars, so to find the individual price of each candy bar, we divide 36 by 9:
36 / 9 = 4
So, each candy bar costs 4 dollars
Hope this helps :)
The answer to this is going to be 9 and 16.
Answer:
Final answer is 123.
Step-by-step explanation:
Given that there are 820 people at a stadium.
Out of which 65% are adults, 20% of them are boys, and the rest are girls.
Now we need to find about how many girls are there at the stadium?
We know that total percent can be 100%
So percentage of girls in the stadium = (Total %) - (Adults %) - (Boys %)
= 100% - 65% - 20%
= 100% - 85%
= 15%
Then total number of girls at the stadium = 15% of 820
= 0.15 ( 820)
= 123
Hence final answer is 123.
