There are infinitely many possible answers. One such is 1*400
20 times 20
50 x 8
Times what equals 400
S r fgdxyffghtdfgffh
12
24x
15
40
I don't now
10
400 times 12.5% equals 50.
400*4 = 1600
44.4444 x 9 = 400
400 x 1.0275 = 411
125% of 320 = 400
400
400
100
16
4
4
6.66666666666667 x 60 = 400