Question

Find the percentage change, when a numb
is changed from :
80 to 100

Answer 1

Answer:

20 80 × 100 = 25 % =\frac{20}{80}\times100=25\% =8020​×100=25%

∴ Percentage change (decrease) = 20 100 × 100 = 20 % \frac{20}{100}\times100=20\% 10020​×100=20%

∴ increase = 1.25 6.25 × 100 = 20 % \frac{1.25}{6.25}\times100=20\% 6. 251. 25​×100=20%

Step-by-step explanation:

Answer 2

Step-by-step explanation:

This is fraction to percentage,so we can use cancellation method