Esther the Clown does face painting at the city carnival. She paints 7 faces every 21 minutes and spends the same amount of time painting each face.

Question

Write an equation that relates $$f$$, the number of faces she paints, and $$m$$, the

Answer 1

amount of time, in minutes, she spends painting each face.

If Esther paints 7 faces every 21 minutes, then the amount of time she spends painting each face is $\frac{21}{7}=3$ minutes per face.

So the equation that relates $f$, the number of faces she paints, and $m$, the amount of time she spends painting each face, is $f=\frac{m}{3}$.