# SOLUTION: 1. What number increased by 30% = 260? 2. What is 66 2/3% less than 45? 3. A price decreased from \$25 to \$10. Find the % of the decrease. 4. A price increased from \$30 to \$50.

Algebra ->  Algebra  -> Percentages: Solvers, Trainers, Word Problems and pie charts  -> Lessons -> SOLUTION: 1. What number increased by 30% = 260? 2. What is 66 2/3% less than 45? 3. A price decreased from \$25 to \$10. Find the % of the decrease. 4. A price increased from \$30 to \$50.      Log On

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 Question 30032: 1. What number increased by 30% = 260? 2. What is 66 2/3% less than 45? 3. A price decreased from \$25 to \$10. Find the % of the decrease. 4. A price increased from \$30 to \$50. Find the % of the increase. Answer by Cintchr(481)   (Show Source): You can put this solution on YOUR website!% of in crease and % of decrease follows a simple formula Lets start with problem #3 or or 60% Problem #4 or 2/3 = .6 repeating ........ 66 2/3% Now for the first two: 1. What number increased by 30% = 260? 1x + .3x = 260 1.3x = 260 x = 200 2. What is 66 2/3% less than 45? (66 2/3 % ... from prob #4 is 2/3) 1x = 45 - 2/3x 4/3x = 45 x = 33 3/4