10' x 15' x 8' = 1,200 cubic feet.
13' x 15' (195 square feet) = 21.67 square yards of carpet needed.
25.33 yards
45 feet is 15 yards.
80 square feet x 15 = 1200 square feet.
10' x 15' x 8' = 1,200 cubic feet.
Cubic yards are a measure of volume. 58.67 yards is 176.01 feet. 15 mph is 22 feet per second. You will cover that distance in 8 seconds.
You would need 20 square yards of carpet which is 180 square feet.
15
the length of a cubit was measured as fingertips to elbows, now taken as 18" thus 3000 cubits is 2000 feet3000 cubits = 4500 feet
15 x 14 is 210 square feet. If one box is 45 square feet, you'll need 5 boxes.
How much area would 15 bundles of shingles cover. Standard duty shingles use 3 bundles for every 100 square feet so 15 bundles would cover 500 square feet.
15 feet
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It would have been possible to answer the question if there was any information on what units were used for 15 x 21. There is no way to tell whether that was feet, yards, metres or some historic measure like a cubit!
According to Dr. Max D. Younce, who says by his calculations from Genesis 6:15 that the ark was 450 feet long, 75 feet wide and 45 feet deep. He says this is equivalent to "522 standard stock cars or 8 freight trains of 65 cars each." By some divine calculation he figures that all the insect species and the worms could fit in 21 box cars. No divine calculations needed. The measurements are based on the cubit and there is some discussion over which cubit Noah used. The shortest ancient cubit was 445 millimetres which gives an ark of 433 feet. The longer Royal Cubit (the longest known ancient cubit) at 524 mm would give an ark of 488 feet.Hope this helps.
15 feet.