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2 pieces of wood 30" = (1 piece of 60 inches cut in two)2 pieces of wood 20 & 7/8ths inches (approximately 42 inches total, but likely was cut before purchase so 2 pieces the exact length needed).

*Frames are 4 pieces of wood with a miter (angle) cut, with the wood pieces glued and joined at the mitered corners.

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100 inches of frame.

Q: How much wood was needed to frame the Mona Lisa painted on a piece of pinewood 30 inches by 20 seven eighths inches in 1506 by Leonardo da Vinci?

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That depends what there are three eighths of.

22.5 inches

It is: 4.5 inches

22.5 Inches

8 eighths of an inch equal one inch. So 2 inches contain 16 eighths of an inch. Half of eight is four, so half an inch contains four eighths of an inch. 16 + 4 = 20 eighths of an inch.

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There are seven eighths in 0.875 inches

There are 24 eighths in 3 inches.

That depends what there are three eighths of.

Pinewood Derby blocks are generally 7 inches in length, 1.75 inches in width, and 1.25 inches in height. The density of the wood can have them weigh anywhere between 90 and 150 grams (3 to 5 ounces).

It is: 4.5 inches

22.5 inches

22.5 Inches

8 eighths of an inch equal one inch. So 2 inches contain 16 eighths of an inch. Half of eight is four, so half an inch contains four eighths of an inch. 16 + 4 = 20 eighths of an inch.

One and four-eighths inches can be simplified to one and one-half inches. 1 1/2"

Well, there are 8 one-eighths in an inch. So in 8 inches there are 8*8 one-eighths = 64

6.78125 inches

7 inches 7 inches is the length of the car, not the height (aka tall). Pinewood Derby cars are generally less than 3 inches in height; however, the actual height varies based on the electronic judge sensors that attached to the finish line of the track. The cars run under these sensors, so it is the height of the sensors from the track that determines how tall a Pinewood Derby car can be. I've seen some that can accommodate cars that are 6 to 7 inches in height.