SOLUTION: a. Andres bought a coat on sale for 15% off the retail price. If he paid $290, what was the original retail price? b. Carlos's investment account was valued at $15,000 but t

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: a. Andres bought a coat on sale for 15% off the retail price. If he paid $290, what was the original retail price? b. Carlos's investment account was valued at $15,000 but t      Log On


   

Question 1125087: a. Andres bought a coat on sale for 15% off the retail price. If he paid $290, what was the original retail price?


b. Carlos's investment account was valued at $15,000 but then lost 23% of its value. What percent increase is needed for the investment account to return to its previous value?
Answer by ikleyn(52786) About Me  (Show Source):
You can put this solution on YOUR website!
.
x*(1-0.15) = 290   dollars,


0.85x = 290


x = 290%2F0.85.


Use your calculator.

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