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Firlakuza [10]
3 years ago
7

Gary needs 24 screws for every 2 chairs he builds.

Mathematics
2 answers:
erastovalidia [21]3 years ago
8 0

Answer:

\begin{array}{cc}\text{Nimber of chairs}&\text{Number of screws}\\ \\2&24\\6&72\\9&108\end{array}

Step-by-step explanation:

Gary needs 24 screws for every 2 chairs he builds.

Equivalent unit rate:

Gary needs 12 screws for each chair he builds.

Using this unit rate, we can state that

  • Gary needs 72 screws for every 6 chairs he builds;
  • Gary needs 108 screws for every 9 chairs he builds.

So, the table is

\begin{array}{cc}\text{Nimber of chairs}&\text{Number of screws}\\ \\2&24\\6&72\\9&108\end{array}

Liula [17]3 years ago
4 0

Answer:

72 screws are required to make 6 chairs.

108 screws are required to make 9 chairs.

Step-by-step explanation:

We are given the following in the question:

Gary needs 24 screws for every 2 chairs he builds.

We calculate the equivalent ratio to calculate number of screws required.

Ration of chairs to screws can be calculated as:

\displaystyle\frac{\text{Number of chairs}}{\text{Number of screws}} = \frac{2}{24} = \frac{1}{12} = 1:12

This can be interpreted hat 1 chair needs 12 screw.

We have to find number of screws required to make:

1. 6 chairs

Let x be the number of screws required to make 6 chairs, the we can write,

\displaystyle\frac{6}{x} = \frac{1}{12}\\\\x = 6\times 12 = 72

72 screws are required to make 6 chairs.

2. 9 chairs

Let y be the number of screws required to make 9 chairs, the we can write,

\displaystyle\frac{9}{y} = \frac{1}{12}\\\\y = 9\times 12 = 108

108 screws are required to make 9 chairs.

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