Four people invested in a restaurant. One person invested $100,000. Two others invested in
the ratio x:2x, and the fourth person invested an amount equal to the other three investors
combined. The total investment was $ 1,100,000.
Part A
Write an expression for the amount invested by the fourth person.

Respuesta :

Answer:

x=$150,000

4th person invested $550,000

Step-by-step explanation:

100,000+x+2x+(100,000+x+2x)=1,100,000

200,000+6x=1,100,000

6x=900,000

x=150,000

The investment of the fourth person is 100,000+3x

=100,000+450,000

=$550,000