Problem:
four teachers can decorate a stage for a school program in six hours. at the same rate, how many teachers are needed to finish decorating the stage in three hours
Solution:
[tex] \blue{ \frac{4}{6} = \frac{n}{3} }[/tex]
[tex] = \frac{4 \times 3}{6n} [/tex]
[tex] = \frac{12}{6} [/tex]
[tex] \purple{ = \boxed{2}}[/tex]
Answer:
2 teachers are needed to finish decorating the stage
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