Find the number a, if

(i) 8.4% of a is 42


(ii) 0.5 of a is 3


(iii) of a is 50


(iv) 100% of a is 100

(i) 8.4% of a is 42



= a =


(ii) 0.5 of a is 3



=


(iii) of a is 50



= a = 50×2 = 100


(iv) 100% of a is 100



=


2