Evelyn wants to buy 5 pens that cost $2.45 each and 3 notebooks that cost $4.39 each. if she currently has $20, how much more money does she need?

5 * 2.45= 12.25
3 * 4.39= 13.17
13.17+12.25= 25.42
25.42-20.00= 5.42
Evelyn needs 5 dollars and 42 cents more

“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 .