On a busy day at the amusement park, Kelly waited 15 minutes in line for the haunted house. In total, Kelly took 28 minutes to wait in line and go through the haunted house. How long was Kelly inside the haunted house?

13 Minutes

Step-by-step explanation:

If it took 28 minutes total to wait in line and be in the haunted house, then the equation would be 15+x=28

x=13

the answer is b. 60. each interior angle in 120, so the exterior angle must be 60 in order to add up to 180

step-by-step explanation:

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step-by-step explanation:

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