High School

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John has 2 boards. One board is \(2 \frac{1}{2}\) feet long, and the second board is \(\frac{3}{4}\) feet long. How many total inches of lumber does John have?

A) 30 inches
B) 36 inches
C) 42 inches
D) 48 inches

Answer :

Final answer:

To find the total inches of lumber John has, convert the length of each board to inches and add them together. John has a total of 39 inches of lumber.

Explanation:

To find the total inches of lumber John has, we need to convert the length of the boards to inches and then add them together.

First, we convert the first board, which is 2 ½ feet long, to inches. Since there are 12 inches in a foot, we multiply 2 ½ by 12 to get 30 inches.

Next, we convert the second board, which is 3/4 feet long, to inches. We multiply 3/4 by 12 to get 9 inches.

Finally, we add the two lengths together: 30 inches + 9 inches = 39 inches.

So, John has a total of 39 inches of lumber.

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