Question

1) de 7/4 de ? = 133
2) ? de 120 = 80

Answer 1

7/4 ( x) = 133
x = 133/(7/4)

x = 76

7/4 de 76 = 133

2)

x*120 = 80

x = 80/120

x = 8/12 = 2/3

2/3 de 120 = 80