Answer:
14(1/2-t)≤28
14(1-2t)/2≤28
14-28t≤28
-28t≤56-14
-28t≤42
t≤42/-28
t≤ -1.5
15k+11≤18k-5
15k-18k≤-5-11
-3k≤-16
k≤-16/-3
k≤-5.333
44y>11+88y-22y
44y>11+66y
44y-66y>11
-22y>11
y>11/-22
y>-0.5
7/9(b-27)>49/81
(7b-180)/9>48/81
81(7b-189)>9(49)
567b>441+15309
567b>15750
b>15750/567
b>27.78
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