A piece of string 20 m long is to be cut into pieces such that the lengths
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A piece of string 20 m long is to be cut into pieces such that the lengths of the pieces form an arithmetic sequence.
a. If the lengths of the longest and shortest pieces are 2 m and 50 cm respectively, how many pieces are there?
b. If the length of the longest piece is 185 cm, how long is the shortest piece?
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a Lets call the number of pieces x and the common difference of the arithmetic sequence d We know th...View the full answer
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Related Book For 
Cambridge IGCSE And O Level Additional Mathematics
ISBN: 9781510421646
1st Edition
Authors: Val Hanrahan, Jeanette Powell
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