Last year, Austin, Texas received 20 inches of rainfall. This year, Austin received 18 inches of rainfall. Find the percent of decrease in the number of inches of rainfall. Round your answer to the nearest tenth of a percent, if necessary.

A) 2%
B) 9%
C) 10%
D) 11%

Question

Last year, Austin, Texas received 20 inches of rainfall. This year, Austin received 18 inches of rainfall. Find the percent of decrease in the number of inches of rainfall. Round your answer to the nearest tenth of a percent, if necessary.

A) 2%
B) 9%
C) 10%
D) 11%

marigirl · Answer

First: work out the difference (decrease) between the two numbers you are comparing.
Decrease = Original Number - New Number
Then: divide the decrease by the original number and multiply the answer by 100.
% Decrease = Decrease ÷ Original Number × 100

why dont u have a go and i can see what your thinking.

anonymous · Answer

Can you please answer i have less time and im suppose to get this done im too tired please answer

anonymous · Answer

its way past meh bed time :C

anonymous · Answer

all i have in meh head is numbers and more numbers .-.

marigirl · Answer

C

marigirl · Answer

u kinda wrote the answer when u wrote
":C" ... 

heheee

anonymous · Answer

thank yew :D