Nia plans to put enough money in the bank each week for 100 weeks so that the amount in the bank is always proportional to the w
2 answers:
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Answer
Elena must have substracted 1/2x from both sides of the equation.
Lin must have multiplied both sides of the equation by 2
Explanation
The equation given is
For Elena to have arrived at
Then Elena must have substracted 1/2x from both sides of the equation.
That is;
For Lin to have arrived at
It shows Lin must have multiplied both sides of the equation by 2
That is;
Answer:
The initial number is <u>-1218.321</u>.
Step-by-step explanation:
Let the initial number be 'x'.
The number 'x' is divided into 104.13.
So, we divide the number 'x' by 104.13. This gives,
Now, the quotient is multiplied by 4. So, this means we need to multiply 4 to the fraction above. This gives,
Now, 5 is added to the result. This gives,
Now, as per question:
Now, solving for 'x', we add -5 both sides. This gives,
Therefore, the initial number is -1218.321.