Answer:60
Step-by-step explanation: it needs to add up to 180
40min*1.05=42min they spent 42 min together
ps: check the multiplication it's 01:30 and I did that in head
I need help on that do you know the answer
The inference that can be made about the results is that; energy drinks enhances performance during 100 meters race.
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How to find inference from a given data?</h3>
From the given table and histogram, we can see that;
Group 1 average race time = 10.8
Group 2 average race time = 11.6
Thus, since group 1 drank energy drink and had faster times than group 2 without energy drinks, the inference that can be made about the results is that energy drinks has enhancing performance during 100 meters race.
Read more about Inference at; brainly.com/question/1611703
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This is a relatively simple half life calculation.
To go from 6 to 3 grams, 1622 years is required.
3 to 1.5 grams another 1622 years is required.
So, it undergoes exactly 2 half-lives or 3,244 years.
To see more about half-life click here:
http://www.1728.org/halflife.htm