Jack earned twice as much as Mary and Jill earned $8 more than Mary. Who made the most money?
Jack
Mary
Jill
Can't Answer

Question

Jack earned twice as much as Mary and Jill earned $8 more than Mary. Who made the most money?  
Jack
Mary
Jill
Can't Answer

anonymous · Answer

Let Jack = A, Mary = M, Jill = J
A = 2M,  J = 8+M
By looking at this relation, Mary made the least, and Jack made the most.

anonymous · Answer

Can't actually answer that one yet.  If Mary earns less than $8 Jill wins - more than $8 Jack wins.   Mary earns say $2: Jill gets 2+8=10; Jack gets 2x2=4.  If Mary got 10: Jill gets 10+8=18; Jack gets 2x10=20.  If Mary earned exactly 8 - Mary and Jack both get $16.  So, unless you know Mary's starting pay there is no way to know who got the most.