Sandy paid 30 dollars for a blouse. Cleaning cost after each wear is about $0.50. Sandy thinks she can wear the blouse 50 times before it wears out. What was the cost per wear?
How many times should Sandy wear the blouse to reach a cost per wear of $1?
CT

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

Someone answer asap for ! the boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a. e = 2b - 212 b. b = 2e - 212 c. e = -2b + 212 d. b = -2e + 212