An elastic band which is 80cm long and is stretched to 90cm. Find the percentage increase in its length
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Answer:
12.5%
Step-by-step explanation:
Increased in the length = 90cm - 80cm = 10cm
So, the percentage increase in its length
= (increased length / original length) × 100
= (10/80) × 100
= 12.5 %
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