Mysterioufire
contestada

every 3 days William has to take medication for his back. Every 7 days he has to take medication for asthma. On what day will William take both medications?

Respuesta :

thelittlebrokenautho

Okay, well we're gonna find the LCM (least common multiple)

3: 3, 6, 9, 12, 15, 18, 21

7: 7, 14, 21

So...21 days

It’s the second Saturday that he would take both medications