9514 1404 393
Answer:
x = 5
Step-by-step explanation:
In a parallelogram, the diagonals bisect each other. This means ...
PQ = PS
2x +15 = 5x
15 = 3x . . . . . . subtract 2x
5 = x . . . . . . . divide by 3
4.2 x 3.98 = 16.716
6% Sales tax = 1.06
16.716 x 1.06
About 17.72
D