Question

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)
x
+
=

Answer 1

Let x = number of weekdays. Then 30x + 50 = 140. Solve: 30x = 90, so x = 3.