Answer:
5 hours
Step-by-step explanation:
- 43t - 22s - 3
(–45t + 53s) + (–3 – 75s + 2t)
Opening the brackets
-45t + 53s -3 - 75s + 2t
Collecting like terms
-45t + 2t + 53s - 75s -3
Simplify the expression
-43t -22s - 3
hence the profit percent is 58%.
15:25
15 correct from 25 total
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