Question

If the average of L numbers is m. What is the sum of these numbers?

Hint: Think of the equation for average
A) L+ m
B) Lm
C) L-m
D) L/m
E) m-L

Answer 1

Lm

Explanation:

average = (sum of numbers)/(number of numbers)

Solve the equation for "sum of numbers":

sum of numbers = average * number of numbers

sum of numbers = m * L

sum of numbers = Lm

Answer: B) Lm