45% decrease
Mark brainliest please
Hope this helps you
Answer:
300
Step-by-step explanation:
20*30=600
600/2=300
Please mark as Brainliest! :)
Have a nice day.
Answer:
D
Step-by-step explanation:
I am smart just trust me
First of all, remember that 100% is one whole thing.
Then.look at the problem, and see that 90 is three times 30.
-- 90 is 300% <em><u>of</u></em> an entire 30 .
-- To go from 30 to 90, you have to increase the 30 <em>by</em> 200% of itself.
If you add all the hours with the denominator of 6 you get 9/6 hours, which ultimately is 1 and a half hours of work, D.