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Pavlova-9 [17]
3 years ago
5

Abby can buy an 8-pound bag of dog food for $7.40 or a 4- pound of the same dog food for 5.38. Which is better buy?

Mathematics
1 answer:
My name is Ann [436]3 years ago
7 0
The answer to your Q the better one it is the 4- pound bag because it coast less money
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James answered 14 items correctly on a 16-item quiz. what percent did he answer correctly?
Troyanec [42]
So,

I like to simplify a fraction first.  This is what I do when I'm in a store trying to find the unit price.

\frac{14}{16}

Factor.
\frac{2*7}{2*2*2*2}

Cross out ones.
\frac{7}{2*2*2}

Multiply it out.
\frac{7}{8}

In my head, I remember that one-eighth is equal to 0.125.

So seven-eighths is equal to 0.125 times 7.
0.125 * 7 = 0.875

Convert to percent form.
0.875 --> 87.5%

James answered 87.5% of his quiz correctly.

I actually have the decimal equivalents for eighths in my head when I'm shopping.  So once I get seven-eighths, I immediately know how much that is.  I can also subtract 0.125 from 1.000 to get seven-eighths.
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Answer:

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How many lines of symmetry does it have (pic attached) random answers will be reported guys
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Answer:

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What is an equation of the line that passes through the points (0, -4) and (-4, 6)?
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