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11 July, 13:47

Each week, Robbie earns $x mowing lawns and receives $15 as his allowance. To find how much he will earn in total over 3 weeks, Robbie calculates : x+15+x+15+x+15. What is another way Robbie can calculate how much he will earn in total over the 3 weeks? Drag and drop the equivalent expression in the box.

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  1. 11 July, 13:48
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    Since there are three variables and three constants you add like terms.

    3 (x+15) = 3x + 40
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