40% off means she is paying 60% of the original price:
60 x 0.60 = 36.00
The sale price is $36
Now add the tax:
36 x 1.06 = 38.16
She pays $38.16 total
4.0081 x 10 to the 4th power. I know because I did this one.
Answer:
x = 12
Step-by-step explanation:
5x - 30 = 2x + 6
3x = 36
x = 12
