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### Primary 4 Problem Sums/Word Problems - Try FREE

- Train yourself in basic math strategies > Exercise 9 > 1
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**Question
1 of 4**

The combined length of three running tracks A, B and C is 10.05 m.

The combined length of tracks A and C is 7.40 m.

The combined length of tracks B and C is 6.20 m.

(a) Calculate the length of track C.

(b) Find the difference in length of tracks A and C.

* 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**Round your answer off to 2 decimal places*

The correct answer is :

**3.55,0.30**