The Prime Factorization of 1050: 2*3*5^2*7<span />
We can divide 143.50 by 7. This gives us 20.5. This means that she works 20.5 hours a week or 21 hours if you round up.
The answer is in decimal formal in the file below
You draw a hexagon, then draw a triangle in it. Then continue to do it until you get all the triangles that fill up the whole hexagon.