Answer :
Assuming I did my math right, 24.
Add 1/3 and 4/7
(1/3)+(4/7)= (19/27)
Make a proportion:
(19/21)*(x/252)
x = 228
Subtract 228 from 252
252 - 228 = 24
Add 1/3 and 4/7
(1/3)+(4/7)= (19/27)
Make a proportion:
(19/21)*(x/252)
x = 228
Subtract 228 from 252
252 - 228 = 24