How many pieces of pipe that are $$ \frac{5}{4} $$ foot long must be laid together to make a pipe 30 feet long? You need to lay $$ \square $$ pieces of pipe.

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To find out how many pieces of pipe that are $$ \frac{5}{4} $$ foot long are needed to make a pipe that is 30 feet long, we can set up the following equation:

Let $$ n $$ be the number of pieces of pipe needed. The total length of the pipe can be expressed as:

$$
n \times \frac{5}{4} = 30
$$

Now, we can solve for $$ n $$ by isolating it:

$$
n = \frac{30}{\frac{5}{4}}
$$

To divide by a fraction, we multiply by its reciprocal:

$$
n = 30 \times \frac{4}{5}
$$

Now, we can calculate $$ n $$:

$$
n = \frac{30 \times 4}{5}
$$

Calculating the multiplication and division step-by-step:

1. Calculate $$ 30 \times 4 = 120 $$.
2. Now divide $$ 120 $$ by $$ 5 $$:

$$
n = \frac{120}{5} = 24
$$

Thus, you need to lay $$ 24 $$ pieces of pipe.

So, the final answer is:

You need to lay $$ 24 $$ pieces of pipe.
You need to lay 24 pieces of pipe.

How many pieces of pipe that are \( \frac{5}{4} \) foot long must be laid together to make a pipe 30 feet long? You need to lay \( \square \) pieces of pipe.

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