Grade 7 Percentages Check up 21-22

Convert 0.4 into a fraction

 $convert\ \frac{5}{8}\ into\ a\ percentage$  

 $\frac{3}{20\ }$  in decimal form is 

Convert 1.5 % into a fraction

Convert 0.04 into a percentage

Calculate 2% of 840

Express $28 out of $200 as a percentage

Express 12 hours out of 5 days as a percentage

Express 8cm out 1.2 m as percentage correct to one decimal place

There are 1600 students in Singapore Middle School. If 40% of the students are boys, how many more girls than boys attend the school?