Question

x : 0,5 + x : 0,125 = 9,78

 

Answer 1

x:(0,5+0,125) = 9,78

x: 0,625 = 9, 78

x = 9,78:0,625

x = 15,648

Answer 2

x : (0,5+0,125)=9,78

x : 0,625=9,78

            x = 9,78x0,625

            x = 6,1125