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ehidna [41]
4 years ago
15

THIS IS A MATH PROBLEM BUT SAYING IT IN MY OWN WORDS!?!

Mathematics
2 answers:
Strike441 [17]4 years ago
5 0
927 is your answer 10.3*90 use a calculator brainliest answer me
Paladinen [302]4 years ago
5 0
Well, then I'm guessing you're only feeding 90 of them since 10 of the dogs are sleeping. If so, then set up a proportion:

\frac{number of dogs}{amount of food}

\frac{100}{10.3}

A proportion is a two fractions set equal to eachother. So, the second fraction will be the number of dogs over x. X will be the amount of food the dogs will get.

\frac{90}{x}

Set the two equations equal to eachother

\frac{100}{10.3} =  \frac{90}{x}

To solve a proportion, cross multiply

100 x X = 100x

90 x 10.3 = 927

100x = 927

Divide 100

x = 9.27

So, the dogs will receive 9.27 of food
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Jess has 60 ounces of an alloy that is 40% gold. How many ounces of pure gold must be added to this alloy to create a new alloy
tia_tia [17]

Answer:

84 ounces of pure gold

Step-by-step explanation:

Jess has 60 ounces of an alloy that is 40% gold. How many ounces of pure gold must be added to this alloy to create a new alloy that is 75% gold?

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Let the number of ounces of pure gold = x

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6 0
3 years ago
Please answer I need it desperately I will mark you as brannliest answer if you answer it correctly and you try!!!!! Good luck!!
umka2103 [35]

Answer:

Pretty sure its B

Step-by-step explanation:

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