Systolic blood pressure is the higher number in a blood pressure reading. It is measured as the heart muscle contracts. Cathy was with her grandfather when he had his blood pressure checked. The nurse told him that the upper limit to the normal range of his systolic blood pressure is equal to half his age increased by 110 110. If Cathy's grandfather is 76 76 years old, what is "normal" for his systolic blood pressure ( p ) (p) ?