mikeydog5291
02.06.2021 •
Mathematics
Stanley attempted to simplify the expression below.
−4●(2.5x−1.25)−3x
His work, step by step, is shown below.
Step 1: −4●{(2.5x+(−1.25)}−3x
Step 2:−10x+(−5)−3x
Step 3:−10x−3x+(−5)
Step 4: −13x−5
In which step did he make his first error simplifying the expression?
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Ответ:
Ответ:
Because 200 was the initial amount. He was not growing $0 by 10% every because that would mean he started with nothing and still has nothing. So we start with 200 because that is what he started with and is growing.