Do it the same way I showed you earlier.
http://www.jiskha.com/display.cgi?id=1417382263
the ratio of boys to girls on the bus is 20/15. what are three ratio equivalents.
5 answers
20 to 15
40 to 30
80 to 60
160 to 120
is this right?
40 to 30
80 to 60
160 to 120
is this right?
Yes. You are right! :-)
20 to 15
no help