An angle measures 160 degrees. How many one-degree turns does the angle make?

1 An angle turns through 60 one-degree angles. 2 An angle turns through 160 one-degree angles. shown in the circle is a right angle.

Step-by-step explanation:

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Since it takes her 2 1/2 miles to get to the aquarium from her hotel, you need to subtract the various distances from  this value in order to find how long it took Clara to walk the rest of the way to the aquarium. 

2 1/2 - (1/4+1 3/4)= 2 1/2 - 2= 1/2

Clara must walk 1/2 a mile to get the rest of the way to the aquarium.