There are

ways of pairing up any 2 members from the pool of
contestants. Note that

so that

Answer:
5e
5(e)
Step-by-step explanation:
please mark this answer as brainliest
X= weight of TV
y= weight of CD
3x+5y= 62.5
3x+ 2y= 52
You can either solve for a variable, or eliminate a variable by subtracting the second equation from the first:
3x + 5y = 62.5
-(3x+2y = 52)
0 + 3y = 10.5, so y = 10.5/3 or 3.5.
Now plug y= 3.5 back into any equation to get x:
3x + 5(3.5) = 62.5
3x + 17.5 = 62.5
3x = 45
x = 15
Always check work. Both equations should be true for x=15, y= 3.5
You only can if 341 has a decimal of some sorts. other than that, you cannot round it.
Here's a photo of the solution. Hope this helps and please give brainlist!