human
Vanessa wants to buy a dress she saw at the mall, which costs $80, and she already has $20 in savings. Her parents give her $30 every week, but she also spends $10 each weekend at the arcades. How many weeks will she have to wait until she can gather enough money to buy the dress?
assistant
How much money does Vanessa need to buy the dress? ** Vanessa needs $80 – $20 = $<<80-20=60>>60 to buy the dress.
How much money does Vanessa gather each week? ** She manages to gather $30 - $10 = $<<30-10=20>>20 each week
How many weeks will Vanessa have to wait until she can gather enough money to buy the dress? ** The number of weeks she has to wait is 60 ÷ 20 = <<60/20=3>>3 weeks.
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