MATHEMATICS MIDDLE SCHOOL

Myra asked Annabelle to buy her some perfume while she was in France, Annabelle paid 200 euros for it. Myra wants to pay Annabelle back inU.S. dollars. If the foreign exchange rate between the U.S. dollar and the euro is 1:0.7. how much should Myra pay Annabelle?
A
$140
B.
$240
C.
$286

Answers

Answer 1
Answer:

Answer:

c) 286

Step-by-step explanation:

Since Annabelle paid 200 euros

And Myra wants to pay Annabelle back in U.S. dollars.

Let Myra paid amount to Annabelle in U.S. dollar be x

\frac{1}{0.7}=\frac{x}{200}

⇒\frac{1*200}{0.7}=x

⇒\frac{200}{0.7}=x

⇒285.7=x

⇒285.7≈286

so, myra paid annebelle $286 usd
Answer 2
Answer:

Answer:

C.

$286

Step-by-step explanation:

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just substitute for x :)

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First and second place in a contest use a ratio to share a cash prize. When first place pays $100 , second place pays $60. How much does first place pay when second place pays $36? Complete the ratio table to solve the problem. First 100 10 Second 60 36 First place will pay $ .

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The New York Knicks play in Madison square garden, the Los Angeles Lakers play in the staples center and the Miami heat play in American Airlines arena. Madison square garden is about 2.8*10^3 miles from staples center and Madison square garden is about 1.4*10^3 miles from American Airlines arena. How many times of the distance the knicks play the Miami heat to the distance the knicks travel to play the lakers?

Answers

Answer:

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Explanation:

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Answers

Answer:

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Step-by-step explanation:

The fact that one kilogram is about 35 ounces is a conversion factor, so if you use that in the equation, it goes something like this

2 ounces /1  x  1 kg/35 ounces x 1000g/1kg

To make the equation balance out, you need to end in grams, which is what the question asks. To get ounces to cancel, you need to use the conversion factor, 35 ounces on the bottom (since ounces over ounces cancels), then you have kilograms left, which you need to convert to grams. You can do this by using the metric system line, which goes Kilo, Hecta, Deca, The unit, Deci, Centi, and milli, each unit increasing by ten as it goes along. Thus, one kilogram equals 1000 grams. Combining this all together, you get 57.14 grams.

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