Kelly sells magazine subscriptions after work. the half-year subscriptions cost $12, and the full-year subscriptions cost $20. today, kelly has 20 subscription cards with her, only one subscription can be ordered on each card, and she wants to sell subscriptions totaling at least $300.

She would want to sell 10 full-year subscriptions and at least 9 half-year subscriptions to get a total of at least $300. 

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(Below is a picture to help you understand how to add files.)

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .