The wholesale price of 20 sweaters is $260. A clothing store sells each sweater for $17.55. What is the percent
increase from the wholesale price of one sweater to the
store's selling price of one sweater?

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

Ingredient c: 1/4 cup for 2/3 serving or ingredient d: 1/3 cup for 3/4 serving which unit rate is smaller

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?