Answer:
1/3
Step-by-step explanation:
Cookies : 9, 18, 27, 36,
Ice cream: 12, 24, 36
So in 36 days.

=47.8888 when you round it up you can get get about 48 then you estimate to about 50.
3(2x+1) = 7-2(x+5)
6x+3 = 7-2x-10
-3 -3
6x = 7-2x-10-3
+2x +2x
8x = -6
---- -----
8 8
x = -3/4