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Nostrana [21]
3 years ago
15

A packing operator can assemble 4 cardboard boxes in 5 minutes. At this rate, how many boxes can she assemble in 25 minutes?

Mathematics
2 answers:
dolphi86 [110]3 years ago
8 0
<h2>Answer:</h2>

She can assemble 20 boxes.

<h2>Step-by-step explanation:</h2>

1. Create a table

<u># of Boxes</u>                    <u>Time</u>

4                        =>        5 min

<em>x</em>                        =>       25 min

2. Use the table to cross multiply.

5 · <em>x</em> = 4 · 25

5<em>x</em> = 100

5<em>x</em>/5 = 100/5

<em>x</em> = 20

lukranit [14]3 years ago
5 0

Answer:

A. 20

Step-by-step explanation:

look at this step:

4 : 5 = X : 25

X = 4×25/5 = 100/5 = 20

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We have a = AB, b = 140mi, c = 100mi.

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AB + 140 > 100    <em>subtract 140 from both sides</em>

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(2)    a + c  > b

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(3)    b + c > a → a < b + c

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True or false: the regression sum of squares (ssr) can never be greater than the total sum of squares (sst).
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. . . . . . .. . . . . . . . . . . . . . . . . . . . ./ . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
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