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3 years ago

10

It is recommended that 13-year old girls get 45 milligrams of vitamin C each day . The table shows the vitamin C content of thre

e foods . What precentage of the recommended amount will Ardis receive if she eats all of these foods in one day.
(Answers)
A 2.22
B 6.00
C 270
D 600

1 answer:

dsp733 years ago

4 0

<h2> The answer is B. 600 </h2>

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Try comparing your solution with the following:

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$2(10-13x)+9x=-34x+60\\(20-26x)+9x=-34x+60\\20-26x+9x=-34x+60\\20-17x=-34x+60\\20-60=-34x+17x\\-40=-17x\\x=\frac{40}{17}$

Answer:

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Check:

$2[10-13(\frac{40}{17})]+9(\frac{40}{17})=-34(\frac{40}{17})+60\\-20=-20$

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