Question

1. a customer purchases a 30 foot long piece of pipe. the pipe was originally 40 foot long. how many inches of pipe remains unsold?

Explanation:

Calculate the length of unsold pipe in feet

$$ L_{\text{unsold}} = 40\text{ ft} - 30\text{ ft} = 10\text{ ft} $$

Convert the remaining length from feet to inches

$$ 10\text{ ft} \times 12\text{ inches/ft} = 120\text{ inches} $$

Answer:

1. A customer purchases a 30 foot long piece of pipe. The pipe was originally 40 foot long. How many inches of pipe remains unsold? <blank>120</blank>