Question 1105323
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(1) Volume of original container: {{{60*40*25 = 60000}}}
(2) Volume of water in original container: {{{(4/5)*60000 = 48000}}}
(3) Volume of water removed from original container: {{{60*40*5 = 12000}}}
(4) Volume of water remaining in original container: {{{48000-12000 = 36000}}}
The volume of the tank is 3 times the volume of the basin; so 3/4 of the water goes into the tank and 1/4 into the basin.
(5) Volume of water poured into the tank: {{{(3/4)*36000 = 27000}}}
Let x be the height of the tank.  The volume of the tank has to be 27000:
{{{18*15*x = 27000}}}
{{{270x = 27000}}}
{{{x = 100}}}<br>
The height of the water in the tank is the height of the tank, because the tank is full.<br>
The height of the water in the tank is 100 cm.