Maria buys computer disks at a price of 4 for \$ 5 and sells them at a price of 3 for \$ 5. How many computer disks must she sell in order to make a profit of \$ 100 ?
Answer Choices
A. 100
B. 120
C. 200
D. 240
E. 1200
Maria buys computer disks at a price of 4 for \$ 5 and sells them at a price of 3 for \$ 5. How many computer disks must she sell in order to make a profit of \$ 100 ?
Answer Choices
A. 100
B. 120
C. 200
D. 240
E. 1200