55.7k views
0 votes
Michaela was going to sell all her stamp collection to buy a video game. After selling half of them she changed her mind. She then bought four more. How many did she start with if she now has 20?

User Mrmuggles
by
8.7k points

1 Answer

3 votes

Answer: 32

Explanation:

X/2+4=20

X/2=20-4

X/2=16

X= 16 * 2

X=32

User Iresha Rubasinghe
by
7.9k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.