Question

In January, the depth of a lake was 838 feet. In August, the depth of the lake was 586.6 feet. What is the percentage decrease of the depth of the lake from January to August?
43%
70%
30%
36%

help I will medal!!!!!!!!!

Answer 1

@cwrw238 @AlexandervonHumboldt2

Answer 2

@KamiBug

Answer 3

@perl

Answer 4

@cwrw238

Answer 5

Number decreased = original number - new number
after you get the number decrease, you calculate the percentage decrease which is.
Percentage Decrease = number decrease/ Original Number x 100

Answer 6

help

Answer 7

first calculate 838-586.6

Answer 8

thats the decrease in depth

Answer 9

251.4

Answer 10

so the answer is 43 or not

Answer 11

right now divide this by original depth 838 then multiply the answer by 100

Answer 12

so 30

Answer 13

30

Answer 14

yes