Question

Can someone please help me with percent increase? Here is the problem...

In preparation for the upcoming school year, Denny ordered 50 of each grade books and lesson plan books. If he had 6 grade books and 8 lesson plan books before he placed his order, what is the percent increase Denny will have in his inventory of grade books and lesson plan books when his order arrives? (Assume no other grade books or lesson plan books are sold.)

Answer 1

Percent increase is (New amount - original amount)/(original amount)

Answer 2

So your new amount is 100 (50 of each book type) + 14 (6 Grade and eight Lesson plan) = 114


Your old amount is 14 (6 Grade book and eight lesson plan)

114-14 = 100

100/14 = 7.14

Multiply by 100 and you get your percent. Answer 714%

Answer 3

Thank you so much!