Answer:
The number of chair did Erin need to make the cost of rental same is  43
Step-by-step explanation:
Given as :
The charge of A-1 rental tents= $1.48 per chair + $63.67 for tent
The charge of Tonka tents = $1.73 per chair + $52.91 for the tent
now Let the total number of chair needs to cost the rentals same = x
So , Â According to question
$1.48 × x + $63.67 = $1.73 × x + $52.91
Or, $63.67 - $52.91 =  $1.73 × x - $1.48 × x
Or, $10.76  = 0.25 × x
∴  x = [tex]\frac{10.76}{.25}[/tex]
I.e x = 43.04 ≈ 43
Hence The number of chair did Erin need to make the cost of rental same is  43 Answer