D's answer to Ronnie Meng's Primary 3 Maths question.
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1) Using the information, find the initial speed.
2) Since you know the new speed is 150%, find the new speed.
3)Find the time taken for the return journey using the new speed
4) Add the time found in 3) to 45min to get the total time of 75min
2) Since you know the new speed is 150%, find the new speed.
3)Find the time taken for the return journey using the new speed
4) Add the time found in 3) to 45min to get the total time of 75min
Date Posted:
8 years ago
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