Question

What is the percent of increase from 50 to 90?

A.
40%

B.
44%

C.
56%

D.
80%

Answer 1

@EclipsedStar plz i beg hlp me plz

Answer 2

\(percent~ change = \dfrac{new ~number - old ~number}{old~number} \times 100\)

Answer 3

math student i have 4 more

Answer 4

In your case, the new number is 90 and the old number is 50.

Answer 5

Ok, let's do them one at a time.
Use the formula above and plug in 90 and 50 and figure it out.
Let me know what you get.

Answer 6

40 %

Answer 7

@EclipsedStar = thank u anyways

Answer 8

That's not correct.
Can you show me your numbers in the formula?

Answer 9

okay i suck um like how i did it

Answer 10

Did you try it at all or did you just pick the first choice at random?

Answer 11

These are the numbers you should use in the formula:

\(percent~ change = \dfrac{90 - 50}{50} \times 100\)

Answer 12

What is 90 - 50 = ?

Answer 13

50%

Answer 14

40

Answer 15

Good.
Use a calculator now: what is 40/50 = ?

Answer 16

80

Answer 17

40/50 = 0.8
Then 0.8 * 100 = 80
The answer is 80% increase