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### Primary 6 Problem Sums/Word Problems - Try FREE

- Speed: Getting there! > Speed Exercise 28 > 1
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**Question
1 of 2**

Charlie walked up some steps and ran 12 steps up a flight of steps in 182 s.

In an identical flight of steps , he walked up some steps and ran 26 steps up in 140 s.

(a) How much shorter is the duration of a running step compared to the duration of a walking step?

(b) How long would Charlie take to walk up 4 flights of identical steps?

*Notes to student:*

*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*

The correct answer is :

**3,872**