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Sagot :
Answer:
110 minutes
Step-by-step explanation:
This is a volume question where we find the volume of each aquarium and work out per minute rate, here we can either divide the time amount given for per volume of the smaller tank back into the volume of the larger aquarium
- or find per minute first as shown below and divide per minute into total volume.
v / u = t
where v is volume
where u is our multiplier one part and time found ie) 1 minute)
where t is total time
Smaller Tank
Volume = 8 x 9 x 14 = 1008 inch cube
Per minute rate = 1008/4 = 252 inch p/m
Larger Tank
Volume 29 x 30 x 32 = 27840 inch cube
Total minutes 27840 / 252 = 110.476190476 = 110 minutes 28 seconds.
or 110.47 minutes to 2 dp.
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