Part A
1 answer:
You might be interested in
Answer:
Step-by-step explanation:
Represent the sofa with S and the love seat with L.
So, we have:
--- Total Cost
Required
Determine the value of L
Substitute 2L for S in the first equation.
Divide both sides by 3
<em>Hence, a love seat costs 117.0</em>
<em></em>
<u>Using Graph</u>
See attachment for graph
S is plotted on the y-axis and L is on the x-axis.
The green line represents while the orange line represents
When the line of the graph is traced to the x-axis, we have:
Answer:
Let David's age be x years
=> James' age = x+5 years
David + James = 89
=> x + x+5=89
=> 2x=84
=> x=84/2=42 years
David's age is 42 years
