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Tems11 [23]
2 years ago
13

remember that percentages are based on one-hundredths. the value 100% one-hundredths or 100/100. the value of 50% equals 50/100

which can also be written as a decimal 0.50%. The value of 5% equals 5/100 or 0.005. Convert the following percentages into one-hundredths and then into a decimal: 75%, 20%, 0.8%?
Mathematics
1 answer:
AnnyKZ [126]2 years ago
6 0

Answer:

75/100, 20/100, 8/1000

0.75% , 0.2% or 0.20%, 0.008%

Step-by-step explanation:

im sorry if its wrong,its been a while since i did percentages

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Oksanka [162]

Answer:

Ella should add 32\dfrac{5}{6} lbs of water.

Total weight of syrup 33\dfrac{1}{3} lbs

Step-by-step explanation:

Weight:

Weight of sugar = 0.5 lbs.

Weight of water added = x lbs

Total weight = 0.5 + x lbs

Percentage:

0.5 + x  --  100%

0.5  --  1.5%

Write a proportion:

\dfrac{0.5+x}{0.5}=\dfrac{100}{1.5}

Cross multiply:

1.5(0.5+x)=0.5\cdot 100\\ \\0.75+1.5x=50\\ \\1.5x=50-0.75\\ \\1.5x=49.25\\ \\x=\dfrac{49.25}{1.5}=\dfrac{4,925}{150}=\dfrac{197}{6}=32 \dfrac{5}{6}\ lbs

Ella should add 32\dfrac{5}{6} lbs of water.

Total weight of syrup

32\dfrac{5}{6}+\dfrac{1}{2}=32\dfrac{5}{6}+\dfrac{3}{6}=33\dfrac{1}{3}\ lbs

3 0
3 years ago
Is it 7^12 not so sure ._.
Alekssandra [29.7K]
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The correct answer would be 42.50

Work:

50 divided by 100 = .5

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50 - 7.5 = 42.50.
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Answer:

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Step-by-step explanation:

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