Question

7/8 x c for c = 8
T x 3/4 for t = 8/9
1/2 x s for s = 3/10
Y x 6 for y = 2/3

Answer 1

7/8*8=7
8/9*(3/4)=(8*3)/(9*4)=2/3
1/2*(3/10)=3/(2*10)=3/20
(2/3)*6=(2*6)/3=4