For every person who has the flow there are six people who have when we feel like symptoms if a doctor sees 40 patients the time
1 answer:
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20
Step-by-step explanation:
Step 1:
Let the number be 50 and to find 40% of 50 is given interms of expression as follows
To express the percentage the following strategy is used
Eg: 40% =
∴ To express 40% of 50 is
Step 2:
On simplification the above expression we could get
= 20
Answer:
Step-by-step explanation:
We know that the general form of the exponential decay formula is
, where y is final amount remaining after t time, A is the original amount and r is the rate of decay
Now, the ratio of strontium-90 remaining, p , as a function of years, t , since the nuclear accident.
Hence, the ratio of remaining since the nuclear accident is