Sagot :
9x13x14=1638in^2
1638/120=13.65in^2/s
22x23x34=17204
17204/13.65=1260.3663s
Ans/60=21.006105...
It will take 21mins.
1638/120=13.65in^2/s
22x23x34=17204
17204/13.65=1260.3663s
Ans/60=21.006105...
It will take 21mins.
[tex]Volume\ of\ aquarium:\\\\V=9\cdot13\cdot14=1638in^2\\\\Time\ to\ fill\ 1in^2:\\\\2:1638=\frac{1}{819}minute\ per\ inch\\\\Volume\ of\ second\ aquarium:\\\\V=22\cdot23\cdot34=17204in^2\\\\\frac{1}{819}\cdot17204=\frac{17204}{819}\approx21\ minutes[/tex]