Answer:
Given that Elena is currently e years old and Katie is k years old. Now, nine years ago, Katie was twice as old as Elena was.
So, k - 9 = 2(e - 9)
⇒ k - 2e + 9 = 0 .............. (1)
And, in four years, Elena will be as old as Katie is now.
So, k = e + 4
⇒ k - e - 4 = 0 ............... (2)
Therefore, the equations (1) and (2) matches the conditions. (Answer)
Answer:
She started at 8:34 and finished at 9:21, with some simple math.. the answer is 47 minutes
Here you go. This will help you
Answer:
432ft²
Step-by-step explanation:
The dimensions for one wall= 12' by 9'
Area of the wall is given by = width × height
Given width of room = 12' and height of wall =9 feet
Area for one wall= 12×9=108ft²
Area for four walls= 108 × 4=432ft²
C, [1,109). Hope this helps you m8