4 + y = 19
y = 19 - 4
y = 15
Answer:
The bike will cost $108.75
Step-by-step explanation:
In order to find the amount, you must multiply the cost by the percentage being paid. Since the mark down is 25%, you are paying 75% of the overall cost. So multiply 75% by $145.
75% * $145 = $108.75
Answer: 108 feet
Step-by-step explanation:
Area of a rectangle = l x w
432 = 3x + x
432 = 4x
432 /4 = x: x = 108 = width