Question

Julissa has 15 stamps and Ethan has 14 stamps. Pawel has three times the number of stamps as Julissa and Ethan combined. Julissa thinks that 100 is a reasonable estimate for the number of stamps that Pawel has.

What is an estimate of the number of stamps that Pawel has? Is 100 a reasonable total?

32; 100 is a reasonable total
90; 100 is a reasonale estimate
213; 100 is not a reasonale estimate
630; 100 is not a reasonale estimate

Answer 1

B. 90; 100 is a reasonable estimate

Explanation:

15 + 14 = 29 (combined number of stamps Julissa and Ethan have)

Pawel has three times 29 stamps

29 ×3 = 87 (number of stamps Pawel has)

90 is the closest estimate to the amount of stamps Pawel has.

Therfore, 90 is the correct estimate and 100 is a reasonable estimate.