Question

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

Answer 1

Let:

T = Total pictures

U = Pictures they used

`\begin{gathered} T*0.4=U \\ 0.4T=220 \\ \text{Solve for T:} \\ T=(220)/(0.4) \\ T=550 \end{gathered}`