Kylie makes 10 + 2 = <<10+2=12>>12 beaded necklaces
The number of beads used for the necklaces is 12 * 20 = <<12*20=240>>240 beads
The number of beads used for the bracelets is 5 * 10 = <<5*10=50>>50 beads
The number of beads used for the earrings is 7 * 5 = <<7*5=35>>35 beads
The total number of beads used is 240 + 50 + 35 = <<240+50+35=325>>325 beads
#### 325