B. Lance is 39 years old. Ted is 22 years old.

Rosalinda is 45 years old. How old is Erik if the

mean age of the four friends is 33.5?

Question

Mathematics

Johanna

7 July, 06:51

B. Lance is 39 years old. Ted is 22 years old.

Rosalinda is 45 years old. How old is Erik if the

mean age of the four friends is 33.5?

+5

Answers (1)

Know the Answer?

Cody Mejia · Answer 1

28 years

Step-by-step explanation:

Sum of the years of Lance, Ted, Rosalinda = 39 + 22 + 45 = 106 year

Sum of the years of Lance, Ted, Rosalinda & Erik = 33.5*4 = 134.0 year

Age of Erik = 134 - 106 = 28 years

B. Lance is 39 years old. Ted is 22 years old.Rosalinda is 45 years old. How old is Erik if themean age of the four friends is 33.5?

B. Lance is 39 years old. Ted is 22 years old.

Rosalinda is 45 years old. How old is Erik if the

mean age of the four friends is 33.5?