5. At her health club, Lauren uses a treadmill every 2 days and the weight
machines every 8 days. She used a
treadmill on March 2 and the weight
machines on March 8. Lauren says
that the first time she will use both a
treadmill and the weight machines in
March is March 16 because the LCM of
2 and 8 is 16.
5,9
10,12
3.12
4.7
Does Lauren's reasoning make sense?
Use an example or a counterexample to
explain your analysis.
3,16