The formula p = 1.068a -18.39 can be used to find the percent p of men at age a in years, with high blood pressure. what percent of 40 year-old men have high blood pressure?

24.33%

substitute a = 40 into the equation and evaluate

p = (1.068 × 40 ) - 18.39 = 42.72 - 18.39 = 24.33%

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1 x=22.52

2: 65/39=604+39x

65x-39x=604

26x=604

x=604/26

×=23.23