A certain meter records voltage between 0 and 10 volts inclusive.
A certain meter records voltage between 0 and 10 volts inclusive. If the average value of 3 recordings on the meter was 7 volts, what was the smallest possible recording in volts?
Answer/Solution
3
Steps/Work
if average of 3 is 7 so sum of 3 should be 21
3 recording can be from 0-10 inclusive
to find one smallest other two should be highest
so, lets assume three var are a,b,c
say a is smallest and give b and c greatest readings say 9 and 9
so a has to be 3
B
3 recording can be from 0-10 inclusive
to find one smallest other two should be highest
so, lets assume three var are a,b,c
say a is smallest and give b and c greatest readings say 9 and 9
so a has to be 3
B