Which shows the correct solution of the equations+fo=50, when =30?
2 + 3
1
że +20=50
1
2 € +20-20 =50-20
->
G-760
a=15
24+
+2050
z ct
-c+20+20 = 50+20
1.-70
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Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible