cacl2 formula Riddles

8 Meters If we look at the green bar we see that its real height is 2/3 of its shadow. So that means we need to find 2 shadows length for the red bar, the uninterruped part and the one on the wall. Since we now know the formula for the floor shadow - real height is 2/3 of it - meaning the part that makes that shadow is 4 meters long. Then we have to add the part on the wall which is straight up, it has no formula so we just add those 4 meters on the wall to the 4 meters we got from multiplying 2/3 by 6 meters and we have 4 meters + 4 meters = 8 meterss

3 pounds. if 3/4 of a pound weigh the same as a 1 quarter of the soap, then a simple formula is soap weight = 4 X 3/4 = 3 Pounds.

10. Why? Take the first letter of each spelled out number: One+Nine+Eight = ONE Two+Eight+Nine = TEN