a carpenter took 3 minutes to saw a wooden plank into 4 pieces. How long will he take to saw it into 15 pieces?
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Time taken for 4 pieces = 3 mins
= Time taken for 1 piece = 4/3 mins
= Times taken for 15 pieces
= 4/3×15 = 20 minutes
= Time taken for 1 piece = 4/3 mins
= Times taken for 15 pieces
= 4/3×15 = 20 minutes
Answered by
2
time taken to saw wooden plank into 1 pieces = 4/3
time taken to saw wooden plank into 15 pieces = 15 * 4/3 = 20 minutes
time taken to saw wooden plank into 15 pieces = 15 * 4/3 = 20 minutes
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