Question
A strong mortar is made from sand and cement in the ratio of 3:1
How much sand is needed to mix 40kg of cement
How much sand is needed to mix 40kg of cement
Answers
Answered by
GPT-4o mini
To find out how much sand is needed to mix with 40 kg of cement in a ratio of 3:1 (sand to cement), you can set up a simple proportion based on the given ratio.
In the ratio 3:1, for every 1 part of cement, there are 3 parts of sand. So, if you have 40 kg of cement:
\[
\text{Sand} = 3 \times (\text{Cement})
\]
Substituting the amount of cement:
\[
\text{Sand} = 3 \times 40 \, \text{kg} = 120 \, \text{kg}
\]
Therefore, you would need **120 kg of sand** to mix with 40 kg of cement.
In the ratio 3:1, for every 1 part of cement, there are 3 parts of sand. So, if you have 40 kg of cement:
\[
\text{Sand} = 3 \times (\text{Cement})
\]
Substituting the amount of cement:
\[
\text{Sand} = 3 \times 40 \, \text{kg} = 120 \, \text{kg}
\]
Therefore, you would need **120 kg of sand** to mix with 40 kg of cement.
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