Let x be the total number of hearts in the bag
Then according to question
Number white hearts =( 3/4)x=3x/4
Remaining (pink+green) hearts in bag
x-(3x/4)= x/4
Number of pink heart = (x/4)×(4/7)= x/7
Number of green hearts 💚= (x/4)-(x/7)=9
⇒ (7x-4x)/28= 9
⇒3x=9×28
⇒ x=(9×28)/3 =3×28=84 hearts Ans.
