On Monday, Kekai uses 40 * 6 = <<40*6=240>>240 m&ms
On Tuesday, Kekai uses 20 * 10 = <<20*10=200>>200 m&ms
Kekai uses a total of 240 + 200 = <<240+200=440>>440 m&ms
Kekai uses a 440 / 40 = <<440/40=11>>11 m&m packs
#### 11