B Nirmala Shastry Solutions for Exercise 1: EXERCISE 9.1

 Convert each ratio into a percentage. 

$3:4$

 Convert each ratio into a percentage. 

$19:125$

 Convert each ratio into a percentage. 

$2:3$

 Find the number: 

$8\%$ of the number is $6$ .

 Find the number: 

$7\frac{1}{2}\%$ of the number is $45$ .

 Find the number: 

$4.8\%$ of the number is $36$ .

 Find the number: 

$6\frac{1}{4}\%$ of the number is $30$ .

 Find the number: 

$35\%$ of the number is $28$ .