Question 32236
Well, you started out ok.

6a+p = $2.00 Rewrite as: p = $2.00 - 6a and substitute into 2nd equation.
3a+6p = $2.10

3a+6(2-6a) = 2.10 Simplify and solve for a.
3a+12-36a = 2.10
12-33a = 2.10 Subtract 12 from both sides.
-33a = -9.90 Divide both sides by -33.
a = $0.30

p = 2.00 - 6a
p = 2.00 - 6(0.30)
p = 2.00 - 1.80
p = $0.20

Apples cost $0.30 each.
Pears cost $0.20 each.