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RoseWind [281]
3 years ago
9

A study was done to determine the efficacy of three different drugs: A, B, and C in relieving headache pain. Over the period cov

ered by the study, 50 subjects were given the chance to use all three drugs. The following results were obtained:
21 reported relief from drug A.
21 reported relief from drug B.
31 reported relief from drug C.
9 reported relief from both drugs A and B.
14 reported relief from both drugs A and C.
15 reported relief from both drugs B and C.
41 reported relief from at least one of the drugs.
Note that some of the 21 subjects who reported relief from drug A may also have reported relief from drugs B or C. A similar occurrence may be true for the other data.
a) How many people got relief from none of the drugs?
b) How many people got relief from all three drugs?
Mathematics
1 answer:
N76 [4]3 years ago
5 0

Answer:idk

Step-by-step explanation:

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<span><span>1.       </span>We have the given number = 5 x 381
Let’s show how to multiply this given equation using its expanded form and place value
=> 5 x 381
since we’re multiplying, we will start with the ones value which is 1
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