# 1 Nickels and dimes. Windborne has 35 coins consisting of dimes and nickels. If the value of his coins is # 3.30, then how many of each type does he have?
# 2 Blending fudges. The chocolate factory in Vancouver blends its double-dark-chocolate fudge, which is 35% fat, with its peanut butter fudge, which is 25% fat, to obtain double-dark-peanut fudge, which is 29% fat.
A) Use a graph to estimate the number of pounds of each type that must be mixed to obtain 50 pounds of double-dark-peanut fudge.
B) Write a system of equations and solve it algebraically to find the exact amount of each type that should be used to obtain 50 pounds of double-dark-peanut fudge.
# 18 2 x + y < 3
X -- 2y > 2
#25 y > 2x -- 4
Y < 2x + 1
# 28 y < x
Y < 1
# 34 3 xs + 2y < 2
--x -- 2y > 4
#38 y > x
Y < -- x
#39 x + y < 5
x -- Y > -- 1