A student recorded the favorite dipping sauces of the 70 people in his class. He wants to plot these data in a circle graph: What angle should the wedge for barbecue have?

A.103
B.28.5
C.75
D.206

Explanation:

There are 70 people in a class. A student wants to plot these data in a circle.  

We need to find the angle should the wedge for barbecue have.

There are 20 such students that like barbecue.

So,

or

B = 103°

It means that 103° on the circle shows the number of students that like barbecue .

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explanation:

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