number for Jeremy --- x
number for Cheryl --- 2x
number for Edward = (1/2)(2x) = x
x + 2x + x = 420
x = 105
check:
Jeroemy got 105
cheryl got 210
Edward got 105
total = 105+210+105 = 420
did Edward got 1/2 as many as Cheryl? is 105 equal to half of 210? YES
All is good
Edward, Cheryl and Jeremy shared 420 stickers. Edward received 1/2 as many stickers Cheryl. Cheryl got twice as many as stickers as Jeremy. How many stickers did Jeremy get?
1 answer