Sergio buys 4 pieces of pine. Two are 1 yd 2 ft long, and two
are 4 ft long. Use the information for Exercises .
20. What is the cost of the 4 pieces of pine?

To find the total length of pine, convert everything to inches for consistency. The first two pieces are 1 yard 2 feet long, which equals inches each, so inches for those. The next two pieces are each 4 feet long, or inches each, which totals inches. Adding these lengths together gives inches total.

Now, if you know the cost per inch, you can multiply that by inches to find the total cost. For example, if the price is $0.10 per inch, the cost would be . Remember to adjust for your unique pricing!

Feeling puzzled about the real-world application? Let’s take it to the lumberyard! When you head out to buy wood, always measure it in inches or feet—not in yards! When you ask a store employee how much wood you need, they’ll appreciate the accuracy and you’ll walk away with exactly what you need for your project without overspending. Happy building!