The average of ten numbers is 7.
The average of ten numbers is 7. If each number is multiplied by 10, then what is the average of the new set of numbers?
Answer/Solution
70
Steps/Work
The sum of the ten numbers is 7*10 = 70
If each number is multiplied by 10, the new sum is 10*(70).
The average is then 10*7 = 70
The answer is C.
If each number is multiplied by 10, the new sum is 10*(70).
The average is then 10*7 = 70
The answer is C.