tire pressure 4?

You inflate the front tires on your car to 31.2 psi. Later, you measure your blood pressure, obtaining a reading of 111/90.6, the readings being in mm Hg. In metric countries (which is to say, most of the world), these pressures are customarily reported in kilopascals (kPa). In kilopascals, what are (a) your tire pressure and (b) the upper level and (c) the lower level of your blood pressure?

1 pounds force per square inch = 6.894757 kPa

760.0 mmHg equals 101.325 kPa equals 1 atm
So 1mmHg = 101.325 / 760 =0.133322368421053 kPa

a) 31.2 psi = 31.2 x 6.894757 = 215.1164 kPa

b) 111 mmHg = 111 x 0.133322368421053 = 14.7987828947369 kPa , 14.8 kPa to 1 decimal place

c) 90.6 mmHg = 90.6 x 0.133322368421053 = 12.0790065789474 kPa , 12.1 kPa to 1 decimal place

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