Tapiwa takes 5% more leaves than adam raked. together they raked 697 liters of leaves

1 answer:

8 0

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Define their percentage:
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Adam = 100%
Tapiwa = 100 + 5 = 105%

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Find their total percentage:
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100 + 105 = 205

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Find 1%
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205% = 697 liters
1% = 3.4 liters

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Find 100% (Adam):
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100% = 3.4 x 100
100% = 340 liters

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Find 105% (Tapiwa):
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105% = 3.4 x 105
105% = 357 liters

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Answer: Tapiwa = 357 liters and Adam = 340 liters.
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The simple golden rule that we need to know here is

"The probability of any event is always between 0 and 1 inclusive"

If an event has a probability of p(x), we can say:

$0 \leq p(x) \leq 1$

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A) OK because 33.3% is 0.333, which is between 0 and 1

B) NOT OK, because probability isn't negative

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D) 0 probability means it can't happen, so that's okay as well

E) this is a fraction with numerator less than denominator, which means its between 0 and 1, so OK

F) this fraction's numerator is greater than denominator, so it's greater than 1. Probability can't be greater than 1, so NOT OK

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