Sixteen men can build a house in $25$ days. How many more workers are needed if the house is to be

Question

Sixteen men can build a house in $25$ days. How many more workers are needed if the house is to be built in $10$ days? [2] The graph below shows the relationship between two variables $m$ and $n$. Grace claims that $m$ is directly proportional to $n$. Do you agree? Explain your answer with reference to the graph. [1]

Accepted Answer

(a) $24$ (b) No, $m$ is not directly proportional to $n$.

Direct and Inverse Proportion - Inverse Proportion

Direct and Inverse Proportion - Inverse Proportion

Solution:

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