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it takes 2 minutes to fill a rectangular aquirium 9 inches long 13 inches wide and 14 inches tall. how long will it take the same hoes to fill an aquarium measuring 22inches by 23 inches by 34 inches?

Sagot :

TaylorBayleyidn
9x13x14=1638in^2
1638/120=13.65in^2/s

22x23x34=17204
17204/13.65=1260.3663s
Ans/60=21.006105...

It will take 21mins.
Luanaidn
[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]
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