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xeze [42]
3 years ago
14

Kesha sharpened 4 colors of pencils for her teacher. She sharpened equal amounts of red and green pencils. Then she sharpened tw

ice as many blue and yellow pencils in equal amounts. How many of the 42 pencils were yellow?
Mathematics
1 answer:
Nimfa-mama [501]3 years ago
7 0
Variables are taken from the first letter of the color, ex: green = g.

Given:
r = g
2r = b = y
Total =42

So then:
r+ r + 2r + 2r = 42
6r = 42
r = 7

y = 2r
y = 2(7)
14 of the 42 pencils were yellow.
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Answer:

Part 1.

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Part 2.

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Part 3.

New ratio juice : lemonade = 2 : 9

Step-by-step explanation:

Part 1.

1+4 = 5 parts altogether, 1 parts for juice and 4 parts for lemonade.

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Part 2.

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1 : 4 = 4 : x

x = 4*4/1 = 16 L lemonade

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Part 3.

It was 4 L of juice and 16 L of lemonade.

After 2 L lemonade was added, we have 4 L of juice and (16+2) = 18 L of lemonade.

4 L juice : 18 L lemonade = 4/2 L juice : 18/2 L lemonade =

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3 years ago
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Here the point of intersection is at (1, 1 )

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