Formulas for Common Decimal Problems - Mathematics - Tips and Tricks - 2025

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5 Terms

1
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Calculating how much a specific weight or quantity of the object will cost. (Higher value than given quantity)

(Cost of given weight/length divided by given length/weight) multiplied by desired length/weight

2
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Calculating how much a specific weight or quantity of the object will cost. (Lower value than given quantity)

Given price divided by original length/weight

3
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Finding how tall is a person is with only the sum of two heights.

(Combined heights - Height difference) divided by 2.

4
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Calculating the number of floor tiles needed (or any other sums along the lines of that)

No. Of Floor Tiles = AFloor divided by ATile

5
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Number of cubes in a box and other questions along that line.

No. of Cubes = VBox divided by VCube