Chen was asked to solve the inequality: 2x-5(x-1)< 50. she gave an answer of x< -15. substitute in any value for x less than -15 to determine if chen is correct. if not, determine the correct solution

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?