FDP conversions (Mr B + Miss O)

What is 50% as a fraction?

 $What\ is\ \frac{1}{2}\ as\ a\ decimal?$  

What is 0.25 as a percentage?

 $What\ is\ \frac{3}{4}\ as\ a\ percentage?$  

What is 25% as a decimal?

What is 20% as a fraction?

What is 90% as a decimal?

 $What\ is\ \frac{3}{5}\ as\ a\ percentage?$  

What is 0.9 as a fraction?

 $What\ is\ \frac{1}{5}\ as\ a\ percentage?$