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lutik1710 [3]
1 year ago
14

Seis grifos, tardan 10 horas en llenar un

Mathematics
1 answer:
zalisa [80]1 year ago
6 0
<h3>6 taps....10 h......400 m³</h3><h3>4 taps......x h....1000 m³ (2 tanks)(500m³)</h3>

<em>The different magnitudes are related to the magnitude of the unknown,</em>

<em>considering in each relationship that the magnitudes that do not intervene they remain constant in it. </em>

<em>So:</em>

<h3>6 taps.....10h</h3><h3>4 faucets.......x h</h3>

<em>The LESS taps, the MORE hours it will take. </em><em>Inverse proportionality.</em>

<em></em>\boldsymbol{\sf{\dfrac{10}{x}=\dfrac{4}{6} \ \ (Reverse)   }}

<h3>400 m³......10h</h3><h3>1000 m³........xh</h3>

<em>The MORE </em><em>m³</em><em>, the MORE hours will be needed. </em><em>Direct proportionality.</em>

\boldsymbol{\sf{\dfrac{10}{x}=\dfrac{400}{1000} \ \ (Direct)   }}

<em>Considering that, in general, none of the magnitudes remains</em>

<em>1 constant, it is verified </em>that:

\boldsymbol{\sf{\dfrac{4}{100}=(\dfrac{4}{6})(\dfrac{400}{1000} )   }}

From where

\boldsymbol{\sf{\dfrac{10}{x}=\dfrac{(4)(400)}{(6)(1000)}   }}

\boldsymbol{\sf{x=\dfrac{(10)(6)(1000)}{(4)(400) }=\dfrac{6000}{1600}=\boxed{\boldsymbol{\sf{37.5}}}   }}

Answer: <em>It will take 37.5 hours. That is: 37 hours and 30 minutes.</em>✅

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