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26 January, 21:46

Roberto needs 6 cookies and 2 brownies for every 4 plates he makes for a bake sale. Drag cookies and brownies into the box to show how many Roberto needs for 10 plates.

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  1. 26 January, 23:03
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    91. Robert needs 6 cookies and 2 brownies for every 4 plates he makes for a bake sale. Now, he need to make 10 plates. How many cookies and brownies will he need to be able to make this 10 plates. Solve: = > 4 plates = 6 cookies and 2 brownies = > 8 plates = (6 cookies + 6 cookies) and (2 brownies + 2 brownies) = 12 cookies and 4 brownies = > 10 plates = (12 cookies + 3 cookies) and (4 brownies + 1 brownies) = 15 cookies and 5 brownies in all.
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