Logarithms Lesson 4 Episode 3 Repeating Your Reasoning No captions CaptionsStop the video above first if it is playing. No captions CaptionsStop the video above first if it is playing. The students use their number line and a calculator to determine the amount of time it takes for the mold on the pizza to increase by a factor of 1.5. Previous Episode Next Episode Home Units Logarithms Lesson 4