Question

44;55 The change is increase or decrease?by ? %

Answer 1

Write the ratio as a decimal:

`(44)/(55)=(4)/(5)=0.8`

Multiply the decimal form of the ratio by 100 to write it as a percentage:

`0.8*100\text{ \%=80 \%}`

The change is a decrease by 20%, since 100%-80%=20%.