The price of a four star meal, only $100 per couple decades ago, has since increased 200%. What is the current price?

1 answer:

6 0

Well if the price was $100 per couple and increased by 200% then it increased by 2 times the original price. So that means the price doubled so multiply. $100 by 2 which equals $200. So the current price is now $200.

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\begin{array}{llll}
average\ rate\\
of\ change
\end{array}\\\\
-------------------------------\\\\
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\begin{cases}
x_1=-1\\
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