3 years ago

A recipe calls for 3 3/4 cups of flour. How much flour is needed to make 1/2 the recipe?

Mathematics

1 answer:

Irina18 [472]3 years ago

7 0

You would make that 1 7/8

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Step-by-step explanation:

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When Klorina swims with the current, she swims 10 km in 2 h. Against the current, she can swim only 8 km in the same time. How f

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Answer:

Klorina's rate in still water is 4.5 km/h

Current's rate is 0.5 km/h

Step-by-step explanation:

Let

x km/h = Klorina's rate in still water

y km/h = current's rate

<u>With the current (current helps):</u>

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Time = 2 hours

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Add these equations:

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Subtract these two equations:

$(x+y)-(x-y)=5-4\\ \\x+y-x+y=1\\ \\2y=1\\ \\y=0.5\ km/h$

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Why is 12 inches 1 foot a conversion factor ?

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I have no better answer than simply, because there are 12 inches in a foot.

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