She subtracted on the right side, when she should've added.
The answer is B
"Helen should have added 17 to both sides of the equation."
Answer: 3/7
Step-by-step explanation:
I really think that’s it
You don't find the ratio of one number.
You find the ratio of two numbers.
Their ratio is their quotient ... one number divided by the other one.
Answer:

Step-by-step explanation:
1) Subtract 40 from both sides.

2) Simplify -16 - 40 to -56.

3) Divide both sides by -8.

4) Two negative numbers makes a positive.

5) Simplify 56/8 to to 7.

<em><u>Therefor</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>answer</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>option</u></em><em><u> </u></em><em><u>B</u></em><em><u>.</u></em><em><u> </u></em><em><u>x</u></em><em><u> </u></em><em><u><</u></em><em><u> </u></em><em><u>7</u></em><em><u>.</u></em>