200 kg of sand was mixed with 50 kg of cement to form 250 kg of the mixture.
Equation
An equation is an expression used to show the relationship between two or more numbers and variables.
Given that sand and cement is mixed in the ratio of 4:1. Hence for 250 kg mixture:
Amount of sand = (4 / 5) * 250 = 200 kg
Amount of cement = (1/5) * 250 = 50 kg
Hence, 200 kg of sand was mixed with 50 kg of cement to form 250 kg of the mixture.
Find out more on equation at: https://brainly.com/question/2972832
