Answer:
28
Step-by-step explanation:
Answer:38
Step-by-step explanation:if you take 24 and subtract the five she added, it gives you 19 and since she divided it by two you would multiply it by two to get the original number she was thinking of
Hope this helps :)
Answer:
38
Step-by-step explanation:
38 divided by 2 would equal to 19, plus 5 would be 25.
B) 18
C) 21
D) 24
The answer is twelve because three minus fifteen is twelve so the answer is twelve .
Answer:
1/9 and -1/9
Step-by-step explanation:
81x^2=1
Dividing by 81 on both sides:
x^2=1/81
Taking the square root:
x= ±1/9