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Primary 5 Problem Sums/Word Problems - Try FREE

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Question 1 of 3

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Kenny's timing for running 1000 m  in his first four heats were 97 s, 98 s, 54 s and 71 s. 

He wishes to improve his overall average timing by 7 s. 

Find the timing he must clock in the fifth heat.

The correct answer is : 45