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Sergeu [11.5K]
3 years ago
10

Someone please help me

Mathematics
1 answer:
AnnyKZ [126]3 years ago
8 0

Answer:

Added 7.4y + 11.2y

Step-by-step explanation:

Let's solve the equation our self and see what the actual solution is,

11.2y - 7.4y = 141.36

→ Multiply everything by 100 to get rid of the decimal's

1120y - 740y = 14136

→ Simplify the 'y' terms

380y = 14136

→ Divide both sides 380 to isolate 'y'

y = 37.2

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

The answer is "added 7.4y + 11.2y" because if we use that method then,

7.4y + 11.2y = 141.36

→ Collect the 'y' terms

18.6y = 141.36

→ Divide both sides by 18.6 to isolate y

y = 7.6

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Read 2 more answers
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Plz help!!
pochemuha
Not completely sure how to answer your question but all 20 questions where worth 5 points each which she would have gotten a 100 if she got all right but she got 15 which her score would be 75. I think in a ratio of correct to incorrect would be 75:100 , I'm not sure completely.
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