(c) Helga knits some squares.
Each square is either white, pink or blue.
The number of squares are in the ratio white : pink : blue = 5 : 3 : 2. 30 squares are blue.
Show that Helga knits 150 squares.
Mathbot Says...
I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.