Julia has 1/3 has many stamps as Robert and also 2/3 as many stamps as erin. if erin has 36 stamps, what is the total number of stamps that the 3 children have?

Answer 1

Erin has 36
Julia has 2/3 as many as Erin ---> she has (2/3)(36) or 24

Julia also has 1/3 as many as Robert
24 = (1/3)(Robert)
Robert has 72

Erin has 36
Julia has 24
Robert has 72
for a total of 132