Question

An elastic band which is 80cm long and is stretched to 90cm. Find the percentage increase in its length

Answer 1

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 %