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 given to the nearest whole number. 
-Approximately what percentage of the people aged 25-40 had a systolic blood pressure reading between 110 and 139 inclusive?
Definitions:
Dividend Yield Ratio
A ratio that shows the annual dividends a company distributes in relation to its stock price.
Earnings per Share
A financial performance metric that calculates the portion of a company's profit allocated to each outstanding share of common stock, indicating the company's profitability.
Equity Multiplier
A financial ratio indicating the portion of a company’s assets that are financed by stockholder's equity.
Debt-to-equity Ratio
An indicator of the distribution between shareholders' equity and borrowed funds in financing a company's assets.
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