A laundry

Mr. Green washed 1/4 of his laundry. His son washed 3/7 of it. Who washed most of the laundry? How much of the laundry still needs to be washed?

Final Answer:

w = s
x =  9/28

Step-by-step explanation:

$$\begin{gathered} g=\frac{1}{4}=0.25 \\ s=\frac{3}{7}\doteq 0.4286 \\ g<s \\ w=s \end{gathered}$$

$$\begin{gathered} x=1-g-s \\ x=\frac{1}{1}-g-s=\frac{1}{1}-\frac{1}{4}-\frac{3}{7}=\frac{28}{28}-\frac{7}{28}-\frac{12}{28}=\frac{28-7-12}{28}=\frac{9}{28}=0.3214 \end{gathered}$$

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