Respuesta :
Ayush:
(720/900) x 100
0.8 x 100
80%
His brother:
(630/700) x 100
0.9 x 100
90%
His brothers performance is better
(720/900) x 100
0.8 x 100
80%
His brother:
(630/700) x 100
0.9 x 100
90%
His brothers performance is better