Answer:
equation: a/.5b=h
h=9
Step-by-step explanation:
a=1/2bh
divide both sides by 1/2b to get h alone
a/.5b=h
a/.5b=h
54/0.5(12)=h
54/6=h
9=h
If you plug that into a calculator you get 4.5
It is a percent decrease because the original is less than the final value and the answer is -24% decrease. Please give me brainless if right.
Answer:
25%
Step-by-step explanation:
formula for percent markup/discount= absulute value of original-new/original
plug the numbers in
(2.40-3.00/2.40) absolute value=0.25
0.25 as a percent is 25%
