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Anna11 [10]
3 years ago
7

Sonia's class has 24 girls and eight boys. her school has a total enrollment of 860 students. if the school has the same ratio o

f girls to boys as Sonya's class, how many girls are in the school?
Mathematics
1 answer:
AnnyKZ [126]3 years ago
6 0
There is 645 girls and 215 boys
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Pani-rosa [81]

Answer:

46 terms

Step-by-step explanation:

a₁=b, a₂₁= bₙ, d₁=9, d₂=4

n=?

---------------

a₂₁= a₁+20d₁= a₁+20*9= a₁+180

bₙ= b₁+(n-1)d₂= a₁+4(n-1)

a₁+4(n-1)=a₁+180

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n-1= 180/4

n-1= 45

n=46

7 0
3 years ago
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Answer:

1 hour=35+15=50

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3 hours=35+15(3)=80

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Step-by-step explanation:

3 0
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