Let's define the number of visits as \( x \).
For the first plan, which costs $10 per visit, the total cost would be: \[ \text{Cost of Plan 1} = 10x \]
For the second plan, which costs $30 per month and $4 per visit, the total cost would be: \[ \text{Cost of Plan 2} = 30 + 4x \]
To find the number of visits where both plans cost the same, we set the two equations equal to each other: \[ 10x = 30 + 4x \]
Now, we can solve for \( x \):
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Subtract \( 4x \) from both sides: \[ 10x - 4x = 30 \] \[ 6x = 30 \]
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Divide by 6: \[ x = \frac{30}{6} = 5 \]
Therefore, the plans would cost the same at 5 visits.