Question

Tom counted the number of cards in his collection for 10 weeks. By week 5, he had collected 12 cards.

How many cards had he collected by week 9?

5

4

20

18

Answer 1

The answer is 20 ‘’’’’’’’’

Answer 2

Approx. 20

Explanation:

12/5 means roughly 2 cards per week

In 4 weeks he would get 8 additional cards

12+8=20