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tatuchka [14]
3 years ago
8

How many 4 inch long pieces of wood could be cut from a board that is 2 yards long?

Mathematics
1 answer:
Romashka [77]3 years ago
7 0
18 because i know that 3 feet in a yard so i multiplied 12 x 3 then doubled it then i i got 72 and divided it by 4 to get 18

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Solving a system of equations we will see that we need to use <u>40 liters of the 80% acid solution</u>, and the other <u>20 liters are of the 35% acid solution</u>.

<h3>How many liters of each solution do we need to use?</h3>

First, we need to define the variables:

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We know that we want to produce 60 liters of 65% acid, then we have the system of equations:

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If you want to learn more about systems of equations:

brainly.com/question/13729904

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