A) 9 2/9+2/3+7 7/9 B)5/9 x 10/11+5/9 x 14/11+5/9 x 15/11
=(20/9+70/9)+2/3 =5/9 x (10/11+14/11+15/11)
=10+2/3 =5/9 x 39/11
=32/3 =65/33
A)3/4-1/2 . x=1 B)9/2-(x-3/4)=1/2
-1/2 . x=1-3/4 x-3/4=9/2-1/2
-1/2 . x=1/4 x-3/4= 4
x=1/4+1/2 x=4+3/4
x=3/4 x=19/4