The formula to calculate the missing quantity in a concrete mix is:
\[ Q = \frac{C + S + A + W}{3} \]
Where:
A concrete mixing ratio refers to the proportion of the components used to create concrete. The primary components include cement, sand, aggregate, and water. The ratio determines the strength, workability, and durability of the concrete. Common ratios include 1:2:3 (cement:sand:aggregate) for general construction purposes. Adjusting the ratio can tailor the concrete mix for specific applications, such as high-strength or lightweight concrete.
Let's assume the following values:
Using the formula:
\[ Q = \frac{50 + 100 + 150 + 30}{3} = 110 \]
The calculated quantity (Q) is 110.