Of what number is

a) the number [[$ 28 $]] [[$ 100 \% $]] of?



Answer: Number .

b) the number [[$ 8 $]] [[$ 2 \% $]]of?



Answer: Number .

c) the number [[$ 3,9 $]] [[$ 5 \% $]] of?



Answer: Number .

d) the number [[$ 1625 $]] [[$ 25 \% $]] of?



Answer: Number .

e) the number [[$ 45 $]] [[$ 90 \% $]] of?



Answer: Number .