9 3/4 is heavier than 9 5/8. If you multiply 3/4 by 2/2, you will get 6/8, which is greater than 5/8.
12. 4(s+5)
4s+20
15. 2(3r-12)
6r-24
18. -3(16-3d)
9d-48
The answer will be <span>x + y = 6 </span>
Correct - wrong percentage
-------------------- = ---------------
wrong 100
68 - 60 x
--------- = ----
60 100
8 x
---- = ----
<span>60 100
</span>800 60x
----- = ----
60 60
13.3% = x
