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katen-ka-za [31]

3 years ago

14

In a grocery store, a tub of ice cream that usually costs $4.50 is on sale for 10% off. what is the sale price after the discoun

t?

1 answer:

weqwewe [10]3 years ago

4 0

$4.05

4.50x .10= .45

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$\begin{array}{c}2x-y\\x-6y\end{array}\qquad \rightarrow \qquad \left[\begin{array}{cc}2&-1\\1&-6\end{array}\right] \\\\\\\begin{array}{c}-6\\13\end{array}\qquad \rightarrow \qquad \left[\begin{array}{c}-6\\13\end{array}\right]$

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