Answer: 19.26
Step-by-step explanation: 40% of 30 can be found like 30(0.40), which equals 12, since the game is 40% of they are getting $12 off. 30-12=18. The sales tax is 7% or 0.07 so you can find it by doing 18(0.07) which is 1.26, now you just add 1.26 and 18 which is 19.26.