Frankie calculates that she will need 9.5 yards of wallpaper to decorate her room. The wallpaper she choose has a large pattern so instead she needs 13 yards of that paper. what is the percentage of increase rounded to the nearest percentage, in the amount of wallpaper she needs?

The percentage of increase in the amount of wallpaper she needs = 37%

Step-by-step explanation:

Given: First length of wallpaper = 9.5 yards

Increased length of wallpaper = 13 yards

length increased = (Increased length of wallpaper) - (First length of wallpaper )

= 13 -9.5

= 3.5 yards

The percentage of increase in the amount of wallpaper she needs =

Hence,  the percentage of increase in the amount of wallpaper she needs = 37%

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it is contrapositive

i could not see the question too well so check yourself again too . this is because i want you to get it correct.