Find the percent of increase from 28 songs to 57 songs

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

L|| m if m? 1=125 and m? 7=50 then m? 5= 5 55 75 105 next question ask for turn it in © 2014 glynlyon, inc. all rights reserved. terms of use

Julie multiplies 6.27 by 7 and claims the product is 438.9 .explain without multiplying how you know juliesanswer is not correct.find the correct answer