SOLUTION: 10. Tom and David have 480 marbles between them. Tom arranges them in columns with 6 in each column, and David arranges them with 9 in each column. The total number of columns is 7
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Question 155482: 10. Tom and David have 480 marbles between them. Tom arranges them in columns with 6 in each column, and David arranges them with 9 in each column. The total number of columns is 72. Express the above information in the form of an algebraic equation.
Help me! I do not have a clue and my teenager who usually helps me, is out of town!
Answer by oscargut(2103) (Show Source): You can put this solution on YOUR website!
Let x= number of Tom's columns
Let y= number of David's columns
Tom and David have 480 marbles between them
Tom arranges them in columns with 6 in each column, and David arranges them with 9 in each column.
then
The total number of columns is 72.
then
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