The number of pink highlighters is 7 + 7 = <<7+7=14>>14
The number of blue highlighters is 14 + 5 = <<14+5=19>>19.
There are 7 yellow highlighters.
The total number of yellow, pink, and blue highlighters is 7 + 14 + 19 = <<7+14+19=40>>40.
#### 40