Question 1092476
It helps to draw this.  From one girl the tangent of 30 is=height of the pole/distance to the pole (opposite/adjacent)
That is tan 30=40/d
d=40/tan 30=69.28'
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For the other pole tan 42=40/d, and d=40/tan 42=44.42'
The total is 113.7' apart.