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ed gets a paycheck weekly. she spent half of it.she earned 50 dollars. she ended up with 150 left.how much was her weekly paycheck

 Nov 15, 2019
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So, the easiest way to solve this is to work backwards. Ed ends up with a grand total of $150. Before that, she earned an extra $50, so we subtract that from $150 leaving us with $100. If she spent half her paycheck and ended up with $100, then we can multiply that $100 by 2 giving us her initial weekly paycheck: $200

 

Here's the work in normal form:

150

 -50

100

  x2
200

 Nov 15, 2019

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