Problema Solution
A sofa and a chair cost $850 as a set. The sofa cost $100 more than twice as much as the chair.
Write 2 linear equations that model this situation.
What is the cost of the sofa?
What is the cost of the chair?
Answer provided by our tutors
A sofa and a chair cost $850 as a set. The sofa cost $100 more than twice as much as the chair.
Write 2 linear equations that model this situation.
x+y = 850
x = 2y+100
What is the cost of the sofa?
3y+100 = 850
x = 600
What is the cost of the chair?
y = 250