Diamond patterns

This task is about patterns and their rules.
 
Loretta made some patterns using green and white diamonds.
 
  diamond pattern 1
Pattern 1
  diamond pattern 2
Pattern  2
  diamond pattern 3
Pattern  3
  diamond pattern 4
Pattern  4

Question 2Change answer

a) Complete the table below to show the number of green and white diamonds that each pattern would have.  
 
Pattern Number (n) 1 2 3 4 5 6 ... 10 25
Number of Green Diamonds, (b) 3 4  
Number of White Diamonds, (w) 4 6  

Question 2Change answer

b)  i)  the number of green diamonds (b) to the pattern number (n).
          b = 
     ii)  the number of white diamonds (w) to the pattern number (n).
           w = 
c)  What pattern number would Loretta have painted if the pattern had a total of 86 white diamonds?
     Pattern number