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1.23 ounce= how many teaspoons, and how many liter?

label Mathematics
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Please demonstrate cross multiplication to solve.

Apr 10th, 2015

1 ounce = 2 spoons

then

1.23 ounces = 1.23 * 2 spoons

1.23 ounces = 2.46 spoons

1 ounce = 0.03 liters

then

1.23 ounces = 1.23 * 0.03 liters

1.23 ounces = 0.0369 liters

Apr 10th, 2015

Is there any way you can demonstrate methods to solve this? Our instructor used cross multiplication--ratio, but I don't quite understand. Thank you

Apr 10th, 2015

1 ounces : 2 spoons : : 1.23 ounces : x spoons

1 : 2 : : 1.23 : x

1/2 = 1.23/x

Now by cross multiplication, we get

x * 1 = 2 * 1.23

x = 2.46 spoons

Hence 1.23 ounces is equal to 2.46 spoons.

1 ounces : 0.03 liters : : 1.23 ounces : x liters

1 : 0.03 : : 1.23 : x

1/0.03 = 1.23/x

Now by cross multiplication, we get

x * 1 = 0.03 * 1.23

x = 0.0369            approx

Apr 10th, 2015

Thank you!

Apr 10th, 2015

:)

Apr 10th, 2015

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