Answer:
6 balloons
Explanation:
Clowns Are Fun equation is
y = 1.25x + 6 (1.25 per balloon plus the flat rate $6 delivery charge)
Singing Balloons equation
y = 1.95x + 2 (1.95 per balloon plus the flat rate $2 delivery charge)
We want to know know the value of x that makes Clowns are Fun less that Singing Balloons, so we have the inequality..
1.25x + 6 < 1.95x + 2 now solve for x
4 < 0.7x
5.7 < x We can't have 0.7 of a balloon, so we round to 6.
So when she orders 6 or more balloons, the cost of Clowns Are Fun will be cheaper that the cost of Singing Balloons