Answer:
11 11/40
Step-by-step explanation:
3 7/5 + 6 7/8 = 22/5 + 55/8 = 176/40 + 275/40 = 451/40 = 11 11/40
4/10, 6/15, 8/20, and 10/25
Hope this helps. :)
(3x + 1/2 ) + ( 7x - 4 1/2 )
3x+7x + 1/2 - 4 1/2
10x -4
33/100 =.33