Thursday, December 06, 2007

STUDY!

Review questions for tomorrow's quiz
1. 2x - 4x + 4 = 3(4 - 3x) + 6

2. A triangle has a perimeter of 9. Find x if the three sides are 1x, 1x, and 2x + 3

3. 2x/ 6 + x/12 = 1/18. Use the common multiple method to find x.
Hint common multiple 6*6, 12*3, 18*2

4. Verizon charges $18.45 per month and $0.14 per minute for calls. T-mobile charges $32.50 per month and $0.04 per minute. Determine how many minutes of calls per month makes the cost the same.