Answer:
t > 1380
Step-by-step explanation:
Subtract 7200 from both sides
10t + 7200 - 7200 > 21000 - 7200
Simplify
10t > 13800
Divide both sides by 10
10t/10 > 13800/10
Simplify
t > 1380
Answer:
cluster system
Step-by-step explanation: For edgunity
The answer should be
780x + 1500y=31000
please correct me if i'm wrong
6 : 2/3.....multiply by 3
18 : 2...reduce
9:1 or 9/1