Liliana takes 4 berths per 10 seconds during yoga. At this rate, about how many breaths would Liliana take in 2 minutes of yoga?
4 breaths in 10 seconds. 2 minutes is 120 seconds. So, if you use cross-multiplication, you have 4/10 = n/120. 4 x 120 = 480 / 10 = 48 breaths.