Answer:
x= 5/2
Step-by-step explanation:
First make an equation for first tree
Y=2x+50
Then second tree
Y=1x+59
Then put them equal to eachother
2x+50=1x+59
Solve by subtracting 1x and then subtracting 50
Answer= x=9
9 months
Answer:
6,-9
Step by step explaination
<em><u>First</u></em><em><u> </u></em><em><u>yo</u></em><em><u>u</u></em><em><u> </u></em><em><u>have</u></em><em><u> </u></em><em><u>got</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>number</u></em><em><u> </u></em><em><u>(</u></em><em><u>4</u></em><em><u>-</u></em><em><u>7</u></em><em><u>)</u></em>
<em><u>use</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>formula</u></em><em><u> </u></em><em><u>of</u></em><em><u> </u></em><em><u>transform</u></em><em><u>ation</u></em><em><u> </u></em><em><u>by</u></em><em><u> </u></em><em><u>adding</u></em><em><u> </u></em><em><u>2</u></em><em><u> </u></em>
Answer:
$4,499.46
Step-by-step explanation:
We can use the compound interest formula for this problem:

P = initial balance
r = interest rate (decimal)
n = number of times compounded annually
t = time
First, lets change 4% into a decimal:
4% ->
-> 0.04
Now lets plug the values into the equation as shown below:


Don will have $4,499.46 at the end of the three years.