Lindsay practices the guitar 50 minutes on Saturday and 30 minutes on most weekdays. Last week she practiced 140 minutes. How many weekdays did she practice? Write an equation in the form px+q=r to represent this problem.(2 points)

1 answer

Let x represent the number of weekdays Lindsay practiced.
Therefore, she practiced 30x minutes on weekdays.
She also practiced 50 minutes on Saturday.
The total time she practiced is 30x + 50.
We can write the equation as: 30x + 50 = 140.