Answer:
see below
Step-by-step explanation:
$11.60 for $5
1. Find the rate.
$11.60 divided by $5= $2.32
2. 1 gemstone= $2.32
Your anwser should be 1 over $2.32 or $2.32 over 1 depending on how you want it.
90%
90 + 10 is 100 total
90/100 is just 90%
Karen's conclusion is not valid because association does not imply causation.
The answer is 3
List all prime factors
15:1,3,5,
27:1,3,
Biggest one is 3