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Liam is setting up folding chairs for a meeting. If he arranges the chairs in 7 rows of the same length, he has 5 chairs left over. If he arranges the chairs in 5 rows of that same length, he has 15 left over. How many chairs does Liam have?

Respuesta :

Answer:

Yoi should be writing in explaination:  

Step-by-step explanation:

Write the equation for first arrangement

Write the equation for second arrangement

Write an equation that can be solved to find the number of chairs in a row for which the total number of chairs is same

The answer would be 3

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