un comerciante vendio pantalones de mezclilla a dos precios distintos, unos a 450 pesos y otros a 360 pesos. si obtuvo un total de 33390,¿cuántos pantalones vendio de cada precio?​

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

Mrs. gehrke said cheddar weighs 16.8 pounds. he actually weighs 15.2 pounds. what is the percent error?

An account with a $250 balance accrues 2% annually. if no deposits or withdrawals are made, which graph can be used to determine approximately how many years will it take for the balance to be $282? it's e2020 ni️️as