6r 2- 4r - 16
You can use grouping or an area model....
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Mathematics, 22.06.2019 00:00
At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?
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Mathematics, 22.06.2019 00:30
Can someone me find the original price? the discount is 5% and the sale price is $68.40
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