Question

sarah already has 45 stamps in her collection and she gets 7 new stamps each month. how long will it take before she has 129 stamps in her collection

Answer 1

12 months/1 year

Explanation:

First, subtract 129 by 45 to get 84. So, she needs to collect 84 more stamps. Divide 84 by 7 to get 12. So, it will take 12 months for her to collect 129 stamps. Hope this helped!