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Keith_Richards [23]
3 years ago
7

Which ratio correctly compares 8 pounds to 64, ounces when the lengths are written using the same units? Note: 16 ounces = 1 pou

nd
A 1 : 2
B 8 : 1
C 1 : 8
D 2 : 1
Mathematics
2 answers:
oksano4ka [1.4K]3 years ago
7 0
Answer: C

64 divided by 8 = 8
8 divided by 8= 1

1:8
Volgvan3 years ago
3 0

Answer:

2:1

Step-by-step explanation:

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One hundred thousand, nineteen million,three.
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If the sales tax rate is 7.25% in California, then how much tax should a merchant charge in San Francisco for the sale of a $15
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$15 x .0725 = 1.0875 which we have to round to $1.09
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A store in Campbell purchased a crystal sculpture at a cost of $100 and marked it up 100%. Later on, Stefan bought the crystal s
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3 years ago
Rajan needs 1 liter of 15% hydrochloric acid solution for an experiment. He checks his storage cabinet, but he only has a 5-lite
Delvig [45]

Answer:

  1. <em>0.75</em><em> liters of 5% hydrochloric acid solution </em>
  2. <em>0.25</em><em> liters of 45% hydrochloric acid solution.</em>

Step-by-step explanation:

Let us assume that, x liters of the 5% hydrochloric acid and y liters of the 45% hydrochloric acid solutions are combined.

As Rajan need total of 1 liter of solution, so

x+y=1

i.e x=1-y --------------------1

As Rajan needs 5% hydrochloric acid and 45% hydrochloric acid to make a 1 liter batch of 15% hydrochloric acid, hence acid content of the mixture of two acids will be same as of the final one, so

0.05x+0.45y=1\times 0.15

i.e 5x+45y=15 -------------2

Putting value of x from equation 1 in equation 2,

\Rightarrow 5(1-y)+45y=15

\Rightarrow 5-5y+45y=15

\Rightarrow 5+40y=15

\Rightarrow 40y=15-5=10

\Rightarrow y=0.25

Putting the value of y in equation 1,

x=1-0.25=0.75

Therefore, Rajan must use 0.75 liters of 5% hydrochloric acid solution and 0.25 liters  of 45% hydrochloric acid solution.

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3 years ago
Mark went to costco and bought 12 cans of albacore for $15.96. what is the cost per can?
Law Incorporation [45]

Answer:

$1.33

Step-by-step explanation:

15.96 divided by 12 = $1.33

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3 years ago
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