499-424.15=74.85
499:100=4.99
74.85:4.99=15 is the percent of the discount
100-15=85 is the percent of the original price that you pay
Answer:
x = the price of one coffee mug.
n = number of coffee mugs sold
115.50 = x × n
n = 115.50÷ x
you cant solve it without additional informations.
Choice D
The slopes of two perpendicular lines are negative reciprocals of each other.
Answer:
When you multiply through by the LCD and solve the resulting quadratic equation, you get solutions x=2 and x=1. However when we try to check the solution x=2, it causes the first and last denominators to become 0, which is undefined. However x=1 checks.
Step-by-step explanation: