Question

Two classmates are preparing research papers and are organizing their information on index cards.

Answer 1

So proprtion
A.
keiko=3:5
will=4:6
make as fractions
3/5 and 4/6
simplify
3/5=3/5
4/6=2/3
3/5 not equal to 2/3, so NOT similar


B. Joel=12:8 conver to fractions
12/8=6/4=3/2
this is similar to 2/3 since the cards can be flipped to be similar
Joel's card is similar to will's card