Alejandro and Molly collect sea shells. Alejandro began a holiday with 619 shells and Molly began with 21 shells.
Each day of the holiday Alejandro found 30 shells and Molly found 56 shells on the beach. By the end of the holidays they had the same number of shells in total.
How long was the holiday?
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Topics: Starter  Algebra  Problem Solving  Sequences
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Casio Classwiz CalculatorThere is currently a lot of talk about this new calculator being the best in its price range for use in the Maths classroom. The new ClassWiz features a highresolution display making it easier to view numerical formulas and symbols but it isn't a graphical calculator as such (it has the capacity to draw graphs on your smart phone or tablet, via a scannable QR code and an app). As well as basic spreadsheet mode and an equation solving feature you also get the ability to solve quadratic, cubic or quartic polynomial inequalities and the answer is given just as it should be written down, using the correct inequality symbols! This calculator has a highperformance processor and twice the memory of previous models ensuring speedy operation and superior computational power.more... 
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