Bellwork reviewed writing a system of equations involving either air speed or speed of a river’s current, then solving the system (Sec 7-4).
The remainder of the period we finished discussing Sec 7-4 by working on percent mixture problems.
Hwk #1 is due tomorrow.
Correction to problem #2 from Hwk #1: The given times were reversed. 1.8 hours should be for the upstream trip and 0.9 hours should be for the downstream trip.
Click on the links below for a copy of today’s bellwork with answers and notes/examples from today’s lesson: