Asked by Mary Helpppppp

Four students each added salt crystals to water and measured the time it took for all the crystals to disolve. The following table shows their results.
A three-column table, with column headers 'Student, 'Temperature (°C), 'and 'Time (sec).' For Marcus, the values are '10'and '65,' respectively. For Tyra, the values are '25' and '40,' respectively, For Luis, the values are '50' and '25,' respectively.' For Andrew the values are '75' and '15,' respectively.
Athena repeated the investigation using water heated to 40°C. Which is the time MOST LIKELY measured by Athena?
a) 10 sec
b) 20 sec
c) 30 sec
d) 50 sec
Answered by bobpursley
temps recorded/ times
10/65
25/40
50/25
75/15

Now at a temp of 40, time should be between 40 and 25 seconds, right?
Answered by Sally
So the answer would be C (30 sec), right?
Answered by l
20 sec
Answered by Mwombamungu ponse
What is the mean of Joe's data?you may use the calculator
Answered by Anonymous
50
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