3 years ago

If 8 of the 15 tests with the heaviest weight then what percent is that

Mathematics

2 answers:

AlexFokin [52]3 years ago

5 0

About 53.33%!!!!!!!!!!!!!!

dalvyx [7]3 years ago

3 0

Idk the answer, sorry

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140 fluid ounces increased by 45%

Radda [10]

$100\%\ increased\ by\ 45\%=100\%+45\%=145\%\\\\method\ \#1\\\\p\%=\frac{p}{100}\to145\%=\frac{145}{100}=\frac{145:5}{100:5}=\frac{29}{20}\\\\145\%\ of\ 140=\frac{29}{20}\cdot140=29\cdot7=\boxed{203\ (ounces)}\leftarrow answer$

$method\ \#2\\\\\begin{array}{ccc}140&-&100\%\\x&-&145\%\end{array}\ \ \ cross\ multiply\\\\\\100\cdot x=140\cdot145\ \ \ \ |divide\ both\ sides\ by\ 100\\\\x=\frac{140\cdot145}{100}\\\\\boxed{x=203\ (ounces)}$

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elixir [45]

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3 years ago

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notsponge [240]

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