Have two Histogram questions that I need help with.

Exam 2 Questions consistently wrong A nurse measured the blood pressure of each person who visited her clinic. Following is a relativefrequency histogram for the systolic blood pressure readings for those people aged between 25 and 40. Use the histogram to answer the question. The blood pressure readings were rounded up to the next whole number. Approximately what percentage of the people aged 25-40 had a systolic blood pressure reading greater than or equal to 130? A. 15% B. 28% C. 75% D. 90% Question 7 of 20 5.0 Points A nurse measured the blood pressure of each person who visited her clinic. Following is a relative- frequency histogram for the systolic blood pressure readings for those people aged between 25 and 40. Use the histogram to answer the question. The blood pressure readings were rounded down to the next whole number. Given that 600 people were aged between 25 and 40, approximately how many had a systolic blood pressure reading recorded as between 120 and 149 inclusive? A. 48% B. 250 C. 288 D. 300