Question

(b) ( 10 x=7 . overline{7} ) or ( x=0 . overline{7} )
Subtracting, ( 9 x=7 )
( therefore quad x=frac{7}{9} )
( 2 x=frac{14}{9}=1.555 ldots ldots . .=1 . overline{5} )

# If x = 0.7, then 2x is (2) 13 (6) 1.5 0) 1.54 (0) 145

Solution