Thursday

April 24, 2014

April 24, 2014

Posted by **Olivia** on Sunday, April 7, 2013 at 9:40pm.

- geometry -
**Ms. Sue**, Sunday, April 7, 2013 at 9:44pm2/5 = x/375

5x = 750

x = 150

150/3 = 50 seconds

- geometry -
**Shaniqua**, Sunday, April 7, 2013 at 9:52pmFind the volume of the smaller one by using a proportion. The volume is 150, and then just divide it by 3. Pretty simple once you get it, and your answer would be 50 sec.

- geometry -
**Reiny**, Sunday, April 7, 2013 at 10:57pmI will assume you mean that the ratio of their corresponding sides is 2 : 5.

the volume of two similar figures is proportional to the cube of their sides

so V1/V2 = 2^3 / 5^3 = 8/125

V1/375 = 8/125

V1 = 24

so time to fill the larger = 375/3 = 125 seconds

time to fill the smaller = 24/3 = 8 seconds

If the two volumes are in the ratio of 2 : 5 then go with the two solutions by Ms. Sue and Shaniqua

(Can you see how important it is to clearly state your problem ?)

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