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Maurinko [17]
3 years ago
10

I need to find the area of both of these rectangles and add them up to find the compound shape .

Mathematics
1 answer:
Citrus2011 [14]3 years ago
5 0
For a problem 1 the answer is 3×6+6×9.
for a problem 3 the answer is 9×10+8×7
for problem 4 the answer is 4×8+8×4+8×4.
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A chef is going to use a mixture of two brands of Italian dressing. The first brand contains 7% vinegar, and the second brand co
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Answer: There is 162 ml of first brand and 108 ml of second brand.

Step-by-step explanation:

Since we have given that

Percentage of vinegar that the first brand contains = 7%

Percentage of vinegar that the second brand contains = 12%

Percentage of vinegar in mixture = 9%

Total amount of dressing = 270 ml

We will use "Mixture and Allegation":

First brand                  Second brand

     7%                                12%

                       9%

--------------------------------------------------------

12%-9%             :                9%-7%

 3%                   :                    2%

So, ratio of first brand to second brand in a mixture is 3:2.

So, Amount of first brand she should use is given by

\dfrac{3}{5}\times 270\\\\=162\ ml

Amount of second brand she should use is given by

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Hence, there is 162 ml of first brand and 108 ml of second brand.

4 0
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