Clothes

Danka and Janka collect clothes. Danka had 9 more than Janka, so she gave her 7. Which now has more cloth and how many?

Correct answer:

x =  5

Step-by-step explanation:

$$\begin{gathered} d=9+j \\ {d}_2=d-7=9-7+j=j+2 \\ {j}_2=j+7 \\ {j}_2>d_2 \\ x=j_2-d_2=j+7-(j+2) \\ x=7-2=5 \end{gathered}$$

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