The variable x represents the number of angelfish carlos bought and the variable y represents the number of parrotfish he bought. Carlos bought 405 tropical fish for a museum display. He bought 8 times as many parrotfish as angelfish. How many of each type of fish did he buy? which system of equations models this problem?.

When your working with the passage-based reading questions on the psat do all of the following except. a)make sure you read each question throughly. b) try to answer each question before you look at the answers. c) plan to spend most of your time reading the passage. d) make sure your answer choice is the most correct number me