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12 Last year, the yearbook club used 40% of the all the pictures they took. If the yearbook clubused 220 pictures, how many total pictures did they take?F 88G 640H 880J 550

Respuesta :

Let:

T = Total pictures

U = Pictures they used

[tex]\begin{gathered} T\times0.4=U \\ 0.4T=220 \\ \text{Solve for T:} \\ T=\frac{220}{0.4} \\ T=550 \end{gathered}[/tex]

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