A prize for a computer contest includes a computer worth 1/2 of the value of the prize, a monitor worth 1/2 of the remaining value, a modem worth $200, and software worth $150. What is the total value of the prize.

Question

This is so challenging, I need help.

Answer 1

.5 x + .25 x = monitor + modem

.25 x remains

so
.25 x = 200 + 150