Question

A=2 cups concentarte:3 cups water
B=5 cups concentrate:9 cups water
C=1 cup concentrate:2 cups water
D=3 cups concentrate:5 cups water

For each mix, how many batches are needed to make juice for 240 campers? (each camper gets half a cup of juice)

Answer 1

Please check the advice that Reiny and I each gave you. Note that the problem that Reiny answered is slightly different.

http://www.jiskha.com/display.cgi?id=1227199729

http://www.jiskha.com/display.cgi?id=1227132102

As I recall, you have all of them correct except for B.