Answer:
$10
Step-by-step explanation:
Let a = the amount Angela has saved.
Let e = the amount Eli has saved.
"Eli has saved $8 more than 1/3 of Angela's savings."
e = a/3 + 8
"If they each save $10 more." then
Eli will have: e + 10
Angela will have a + 10
"Eli will have saved $4 more than Angela's savings."
e + 10 = a + 10 + 4
This equation simplifies to: e = a + 4
We have a system of two equations in two variables.
e = a/3 + 8
e = a + 4
Since both equations are solved for e, we just equate the right sides.
a/3 + 8 = a + 4
Subtract a/3 from both sides. Subtract 4 from both sides.
a/3 - a/3 + 8 - 4 = a - a/3 + 4 - 4
4 = (2/3)a
Multiply both sides by 3/2
(3/2)4 = (3/2)(2/3)a
6 = a
a = 6
Angela has $6.
e = a + 4 = 6 + 4 = 10
Eli has $10.
The number of students that are expected to enroll in the fifth year of the plan is 644.
<h3>How many students are expected to enroll in the fifth year?</h3>
The formula that can be used to determine the future value of the population is:
FV = P (1 + r)^n
- FV = Future value
- P = Present value
- R = rate of increase
- N = number of years
400 x (1.1)^5 = 644
To learn more about future value, please check: brainly.com/question/18760477
#SPJ1
Following are the calculation to the given equation:
Given:
one solution:
To find:
other solution=?
Solution:
Therefore, another solution is "
".
Learn more:
brainly.com/question/3044722
Answer:
It's A
Step-by-step explanation:
