Wednesday, October 3, 2018

arithmetic - Simple Elementary Word Problem

I'm trying to help my little sister out but I can't seem to figure it out.




Here is the question:



John fish weight 8 times as much as her parakeet. Together the pet's weight 63 ounces. How much does the fish weight?



The only answer I can think of is 7.875.

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analysis - Injection, making bijection

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