Answer:
(12 nickels))
(5 dimes)
Step-by-step explanation:
Based on the information given in the problem, you can set up the following system of linear equations, where:
x: number of nickels.
y: number of dimes.
Then
FIRST EQUATION: 
SECOND EQUATION:
(in cents)
You can apply the Substitution method:
- Solve for x from the first equation.
- Substitute into the second equation and solve for y.
Then:


- Find x:

The two lines intersect at the point (4, 214). This means that the attendance was 214 for both plays on the 4th night.
<span>B. The attendance was the same on day 4. The attendance was 214 at both plays that day.</span>
Answer:
LM=11
Step-by-step explanation:
LN= ML+MN
4x+9=(2x+7)+(3x)
4x+9=5x+7
5x-4x= 9-7
x=2
LM=2x+7 =2(2)+7=4+7=11
Step-by-step explanation:
12,0,-12
