Question

A container filled with cement has a mass of 118kg. When it is filled with sand, the mass is 76kg. The mass of the cement is twice that of the sand. What is the mass of the container?

Answer 1

Step-by-step explanation:

Mass of container with cement=118kg

when filled with sand =76kg

Let's assume the mass of container be x

but it is given that

mass of cement=2 mass of sand

118-x =2(76-x)

therefore X=34

therefore mass of container= 34kg

Answer 2

Answer:

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Step-by-step explanation:

Cement = 2  Sand

Cement + Container = 118 kg

2 Sand + Container = 118 kg

Sand + Container = 76 kg

Cement + Sand + 2 Container = 194 kg

3 Sand + 2 Container = 194 kg

Sand = 76 kg

Container = 42 kg