The taco truck sold 3 + 2 * 10 = 3 + 20 = <<3+2*10=23>>23 soft tacos.
It made 2 * 23 = $<<2*23=46>>46 from soft tacos.
It made 5 * 4 = $<<5*4=20>>20 from hard shell tacos.
Thus, the taco truck made 46 + 20 = $<<46+20=66>>66 during the lunch rush.
#### 66