Question

percent of increase
120 to 200

Answer 1

40

Answer 2

You're still trying to figure these out @AngelDreamGurl ?

Answer 3

YES *puppy dog face* LOL

Answer 4

What seems to be the trouble with following the formula I gave you?

Answer 5

its kind of confusing

Answer 6

What exactly is so confusing about it? All you do is plug in the numbers

Answer 7

what is the formula, Hero? Wish I had one of those when I was in school

Answer 8

\[\% \Delta = \frac{|a - b|}{a} \times 100\]

a = old number
b = new number

Answer 9

on this one, I would say to myself, self, 80 is what percent of 120?

Answer 10

applying absolute value symbols are important for this one

Answer 11

yes, and those are some daunting symbols if you aren't in precalc or beyond

Answer 12

\[\% \Delta = \frac{|120 - 200|}{120} \times 100\]

Answer 13

66.6

Answer 14

OHHHHHHHHHHHHHHHHHHHHHH i missed the absolute value sign

Answer 15

\[\% \Delta \space \text{= percent change}\]

Answer 16

There's nothing daunting about that

Answer 17

delta and the absolute value signs are... at first

Answer 18

@tutor_guy , did you want to say something? Probably to dispute my formula

Answer 19

No, I actually gave @AngelDreamGurl similar formula as yours. :)))

Answer 20

that's the formula all right, been using it over 50 years now, just never saw it written formally like that before. I just knew that increase was change/start

Answer 21

and that percent always mean to divide by 100