Answer:
the anwser is in the text
Step-by-step explanation:
Answer: 4 years
144 + 8(4) = 176
108 - 5(4) = 88
88 x 2 = 176
t > 1380
Subtract 7200 from both sides
10t + 7200 - 7200 > 21000 - 7200
Simplify
10t > 13800
Divide both sides by 10
10t/10 > 13800/10