:

last year three 6th grade students , aliya, crystal, and shamika, we’re selling balloons at the schools winter dance to collect $305 for a class trip to the zoo. aliya sold 2 more balloons than crystal, and shamika sold twice as much balloons as crystal. let “c” represent the total number of balloons crystal sold.

total ballons sold : 122

f) which number in the following set represents the amount of balloons sold by crystal?

{ 30, 31, 116, 118 }