Let's first define variables.
y: number of shares of $ 10
x: number of shares of $ 12
We write the system of equations:
10x + 12y = 210
y = 2x + 5
Solving the system:
x = 75/17
y = 235/17
Answer:
she has:
75/17 shares of $ 12
235/17 shares of $ 10

First, turn
into an improper fraction with a denominator of 4, which matches
.

Now, just add the numerators.

Answer:
33.34%
Step-by-step explanation:
- 60000 = 66.66% from 90.000
- The decreasing is 30.000 which equal to 33.33% from 90.000
Answer:
180 and 2.5
Step-by-step explanation:
for the second collum over 3 it would be 180
For the one under 150 it would be 2.5
let me know if you need a better explanation
Answer:
You would need to know how much money she spent and how much she had left.
Step-by-step explanation:
With this, you could find out how much money she had in total.