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Anton [14]
3 years ago
7

Please help answer number 12

Mathematics
1 answer:
Dmitry [639]3 years ago
8 0

sorry i dont know the answer

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If about 1/40 of the earths water is fresh water. About 3/10 of the earths fresh water is ground water. What fraction of the ear
Alex17521 [72]

Answer:

3/400

Step-by-step explanation:

Let w represent earth's water

let f represent fresh water and let g represent ground water

f = \frac{1}{40}w

g =\frac{3}{10}f = \frac{3}{10}(\frac{1}{40}w)\\ \\g = \frac{3}{400}w

Therefore, fraction of earth's water,w, that is ground water = 3/400

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Angela paints a wall that has an area of 42 2/3 square yards. She uses 1 1/3 gallons of paint. What is Angela's rate of paint co
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Yards= 42  2/3 yd=42 + 2/3 yd=(42*3 + 2)/3 yd=128/3 yd
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Step-by-step explanation:

I had this question and got it right!

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