Answer:
i dont know how your teacher teaches it but in the first question take away the y after the 25. number 2 the start equation would be 55=2x+25 then you would subtract 25 from each side to get 30=2x, the divide by to to get x=15 or she made 15 calls. number 3 is correct.
i hope this helps
Answer: 
Step-by-step explanation:
Divide by 23
Extract the square root.
Answer -
5.3(repeated)
Step-by-step -
First you want to take the starting amount and multiply it by .25 which represents the 25%
The next step is to then divide the number you get by six giving one sixth of the 25%
Answer:
Step-by-step explanation:
x is greater or equal to 13
