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Michael has a savings account and saves the same amount each week. after 4 weeks he had $350 dollars, and after 9 weeks, he had $400 dollars. how much did he start with?

Michael has a savings account and saves the same amount each week. after 4 weeks he had $350 dollars, and after 9 weeks, he had $400 dollars. how much did he start with?
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Michael has a savings account and saves the same amount each week. after 4 weeks he had $350 dollars, and after 9 weeks, he had $400 dollars. how much did he start with?

User Abdalla Arbab
by
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1 Answer

4 votes
(400-350)/(9-4)=50/5=10 increase per week
350-(4*10)=310 start with
User NicuVlad
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7.7k points
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