Answer:
94
Step-by-step explanation:
We know that a straight line adds up to 180 degrees, and angle QPS, summed up by angles QPR and RPS, equals that.
Therefore,
angle QPS = QPR + RPS
180 = QPR + RPS
180 = 7x-4+9x-40
180 = 16x-44
224= 16x
x = 222/16 = 14
QPR = 7x-4 = 94
