4. A medical technician is trying to determine what percentage of a patient's artery is blocked by plaque after eating a pint of cookie dough ice cream every night for thirty-two years. She knows that blood flowing through the normal artery just before the point of blockage is traveling at 30.0 cm/s, but after the blockage the speed is 44.0 cm/s. What percentage of the cross-sectional area of the patient's artery is blocked by the plaque?
4. A medical technician is trying to determine what percentage of a patient's artery is blocked by plaque after eating a pint of cookie dough ice cream every night for thirty-two years. She knows that blood flowing through the normal artery just before the point of blockage is traveling at 30.0 cm/s, but after the blockage the speed is 44.0 cm/s. What percentage of the cross-sectional area of the patient's artery is blocked by the plaque?
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Transcribed Image Text:4. A medical technician is trying to determine what percentage of a patient's artery is blocked by
plaque after eating a pint of cookie dough ice cream every night for thirty-two years. She knows
that blood flowing through the normal artery just before the point of blockage is traveling at 30.0
cm/s, but after the blockage the speed is 44.0 cm/s. What percentage of the cross-sectional area
of the patient's artery is blocked by the plaque?
a) 12%
b) 36%
c) 56%
d) 88%
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