Find the cost of 2 1/2 dozen eggs at $15 each

Nope.

Did you multiply those two numbers? Don't forget the decimal point.

360

No.

http://www.google.com/#q=2.5+*+15+%3D

3 1\2 of 15

15 into 5=3
2 into itself 1
multiply across= 3 times1=3, then 3 times 3 = 9

so ans= 9?

2.5 * 15 = ?

450

450