Sims paid $85.00 for a dress and then bought three equally-priced pair of shoes. If she spent a total of $211.00, what are the TWO equivalent equations that best fit this problem? PLEASE HELP ASAP WHOEVER GETS IT WILL BE BRAINLIEST

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?