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Liono4ka [1.6K]
3 years ago
10

The school store opened on the first day of school with 35 notebooks and 15 pencils. Within 2 days it sold all of those items. O

n the first day, twice as many notebooks were sold as pencils. On the second day, for every 5 notebooks sold, 2 pencils were sold. How many notebooks and how many pencils were sold on each day
Mathematics
2 answers:
frozen [14]3 years ago
5 0
On the first day, there were ten notebooks sold and five pencils sold. On the second day, there were 25 notebooks sold and 10 pencils sold.
Igoryamba3 years ago
5 0
The first day its 10 notebooks and 5 pencils. The second day its 25 notebooks and 15 pencils.
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Answer:

<em>x = 1</em>

<em>y = 1</em>

Step-by-step explanation:

<u>System of Equations</u>

We are given the system of equations:

2x + y = 3

x = 2y - 1

Substituting x in the first equation:

2(2y - 1) + y = 3

Operating:

4y - 2 + y = 3

5y = 3 + 2

y = 5/5 = 1

y = 1

Since:

x = 2y - 1

Then:

x = 2(1) - 1

x = 1

Solution:

x = 1

y = 1

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Step-by-step explanation:

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AB = 6, BC = 3

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Answer:

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