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vliu732
16.09.2019 •
Mathematics
For 40 points and includes brainliest during a recent season there were 18 girls on the high school softball team. there were equal numbers of freshmen, sophomores, and seniors on the team. the number of juniors was two less than the number of seniors. how many juniors were on the team? for 40 points and includes brainliest.
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Ответ:
Ответ:
equal of freshmen=x soph.=x seniors=x
So they can all stand for the same variable
j=x-2
18=3x+(j)
substitute
18=3x+x-2
Add and simplify
18=4x-2
+2 both sides
20=4x
÷4 both sides
x=5
5-2=3
3 juniors
If you want to check if this is correct add them up
5+5+3+5= 18
18=18
Ответ:
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