math
posted by cas .
trisha says that if 5/7 of her pencils are yellow,then 2/7 are not yellow. is she correct? explain

Yes.
7/7  5/7 = 2/7 
Yes
7/75/7=2/7 
Yes. 7/75/7=2/7
posted by cas .
trisha says that if 5/7 of her pencils are yellow,then 2/7 are not yellow. is she correct? explain
Yes.
7/7  5/7 = 2/7
Yes
7/75/7=2/7
Yes. 7/75/7=2/7