So 10 questions is 100% you missed 30% of the questions so you would do 100%-30% which is 70%
There are 4 blue marbles
There are 2 black marbles
There are 3 red marbles
There are a total of 9 marbles
You minus the black marbles from the total
9-2=7
If there are 7 non black marbles then the ratio is 7:9
7:9 is the probability that you won't get a black marble
There's the only answer i've got
The article is 10 lbs...so 20 of them = (10 * 20) = 200 lbs
the box is 1/2 lb....so 20 of them = (1/2 * 20) = 10 lbs
the freight container is 15 lbs
for a total of : 200 + 10 + 15 = 225 lbs <==
Answer:
5/4 as a mixed number = 1