<PRE><B>Question 807364</B>
A girl has a canister containing 5026 grams of flour.  She buys a bag of flour which contains 4157 grams of flour.  She puts some of the flour from the bag into the canister.  Thereafter the mass of the flou in the canister is twice the mass of the flour left in the bag.  How much flour is left in the bag?  
==========================
The total is 5026 + 4157 = 9183 grams
C = mass in canister
B = mass in bag
---
B + C = 9183
C = 2B
---
B + 2B = 9183
3B = 9183
B = 3061 grams
</PRE>