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Sack A had half as much rice as sack B at first.

1348 grams of rice from sack B was used.

In the end, sack B had 742 grams more rice than sack A.

(a) Find the mass of rice in sack A now.

(b) What is the average mass of rice in the 2 sacks now?

Notes to students:

If the question above has parts, (e.g. (a) and (b)), given that the answer for part (a) is 10 and the answer for part (b) is 12, give your answer as:10,12