Homework Help: math

Posted by jasmine on Monday, January 7, 2013 at 1:44pm.

the ratio of cetaceans to fish in the harbor was 3 to 13. how many fish were in the harbor if there were 390 cetaceans

math - Steve, Monday, January 7, 2013 at 1:46pm
3:13 = 90:390
math - Steve, Monday, January 7, 2013 at 1:47pm
oops:

3:13 = 390:1690
math - Steve, Monday, January 7, 2013 at 1:47pm
extra credit. why was my first answer wrong?

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