SOLUTION: the ratio of sand to cement in a mixture of concrete is 4:5. how much of each ingredient is there in 144kg of this mixture? could u please give me the way it is done? thank you i

Question 537043: the ratio of sand to cement in a mixture of concrete is 4:5. how much of each ingredient is there in 144kg of this mixture?
could u please give me the way it is done? thank you in advance.
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
The ratio of cement to sand = 4/5
multiply by a common factor x
4x parts of cement
5x parts of sand.
4x+5x=144
9x=144
x=144/9
x=16
4x/5x = 4*16/5*16= 64/80
cement = 64 kg
Sand = 80 kg
CHECK
64+80 = 144
64/80 = 4/5
m.ananth@hotmail.ca
RELATED QUESTIONS
the ratio of sand to cement is 6 to 5. how much cement is in a 220 kg... (answered by Fombitz)

The ratio of sand to cement is 6 to 5. How much cement is in 220 kg mixture? (answered by ewatrrr)

the ratio of stone, sand an cement in a concrete mixture is 6:4:1 calculate the... (answered by richwmiller)

A concrete mixture is made by mixing cement, sand and gravel, by volume, in the ratio... (answered by Cromlix)

A concrete mix is in volume proportions of 1 part cement, 2 parts water, 2 parts... (answered by HyperBrain)

A concrete mix is in volume proportions of 1 part cement, 2 parts water, 2 parts... (answered by edjones)

The density and strength of concrete are determined by the ratio of cement and aggregate (answered by josgarithmetic)

In a concrete mixture, 4/7 of the total volume is sand. How much sand is needed for 135... (answered by josmiceli)

The density and strength of concrete are determined by the ratio of cement and aggregate. (answered by josgarithmetic)