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mario62 [17]
2 years ago
9

PLEASE ANSWER WITH SOLUTION PLS

Mathematics
2 answers:
katen-ka-za [31]2 years ago
7 0

Answer:

whatever% of anything, is just (whatever/100) * anything.

there were a total of 560000 votes, now, off those some are valid and some are invalid.

we know 15% of that are invalid, that simply means that 85% are valid, since 85% + 15% is the whole thing, or 100%, if 15% are not good, the other 85% are the good ones.

how many are the valid ones anyway?  well, 85% of 560000, which is just (85/100) * 560000.

we know that off those valid ones, the candidate got 75% of those, so how much is 75% of that?

well, (75/100) * [ (85/100) * 560000 ].

Step-by-step explanation:

Hunter-Best [27]2 years ago
4 0

Answer:

See below ↓

Step-by-step explanation:

1.

  • Score of the student on examination = marks scored / total marks
  • Score = 235/300 [Divide throughout by 5]
  • Score = 47/60 [Using long division, approximate to tenths place]
  • Score = 0.783 [Multiply with 100 to convert decimals → percentage]
  • Score = <u>78.3%</u>

<u></u>

2.

  • Total valid votes = 560 x (100 - 15)%
  • Total valid votes = 560 x 0.85
  • Total valid votes = 476
  • Votes for Magie N. Hawa = 476 x 70%
  • Votes for Magie N. Hawa = 333.2 ≅ <u>333 votes</u>

<u></u>

3.

  • 108 girls = (100 - 70)% of pupils
  • 108 / 0.3 = number of pupils
  • <u>360 pupils</u>
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