Asked by Jess

Sue decides to collect postcards. She starts her collection with seven cards. Every week, she buys three more cards to add to her collection. How many weeks will it take her to have more than 30 cards?
11
7
8
30

Can somone help me figure out the equation for this?
Answered by Jess
7+3x=30?
Answered by Ms. Sue
Yes, that's the correct equation. What is the answer to the problem?
Answered by Jess
8 weeks?
Answered by Ms. Sue
Yes, 8 weeks\
Answered by Whitney
Wouldn't the correct equation be 7+3x>30? Because it is asking how many weeks it would take to have MORE than 30 not equals 30...?
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