she surveyed "x" amount, which is the 100%, but we also know that 180 is the 37.5%, so
add all amd divide by the 40 ???let me know if im wrong
Answer:
3 friends are older than the average.
Step-by-step explanation:
First find the mean. The mean can be found adding all the numbers in the set together and dividing by the amount of numbers in the giving set:
(25 + 36 + 33 + 36 + 30)/5 = (160)/5 = 32
The average age is 32. There are 3 friends that are older than the average (33 , 36 , 36, respectfully).
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Answer:
4
Step-by-step explanation:
