I mean, I don't know how to explain a generic way to solve this. Ask me about the specific train of thought if you are interested:
7 * 18 + 45 / 3 - 2 = 139
He would have $4131 left from $5400 with a decrease with 23.5%
Answer:
5,000
Step-by-step explanation:
5-up round up 4-down round down
