The total number of keys equals:
12 + 5 + 11 + 2 = 30 keys
The probability to pick a sliver key is:
12/30 = 2/5
The probability to pick a copper key is:
11/30
Hope that helps
Answer:
Length= (0.5x+9) ft
Width= (x) ft
Step-by-step explanation:
Let the width be represented by x and since the length is 9 feet longer than half its width it means half the width is 0.5x plus 9 feet. Therefore, the dimensions are as follows
Length= (0.5x+9) ft
Width= (x) ft
Answer:
99 percent
Step-by-step explanation:
I sat this because u have to add them together and that gives you the answer or u can subtract
To find the discount %, we must use the equation below.
Discounted Price / Original Price = 1 - Discount %
15.05 / 21.5 = 1 - Discount %
Subtract 15.05 / 21.5 from both sides and add Discount % to both sides to get the following equation.
Discount % = 1 - 15.05 / 21.5 = 1 - 0.7 = 0.3 = 30% discounted