Answer:

Step-by-step explanation:

Subtract:- 15- 0.05= 14.95
Multiply:-


The answer = 4 days
Jon Sara
11×4=44+96=140. 20×4=80+60=140.
Answer:
I dont know but combine like terms and then solve it will make It alot easier
Answer: $ 12.5
Step-by-step explanation:
To find the hourly rate, divide the total cost by the total hours, that is
$50 / 4 = $12.5
$75/6 = $12.5
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