Answer:add 8 red
Step-by-step explanation:
the ratio is 1 red to 3 blue so you would add 8 red so it would be 9-3 which when u simplify it would be 3:1
6 x 9 = 54
He has a total of 54 pages to grade.
54 - 12 = 42 pages
He still has to grade 42 pages.
Hope I helped!!
Answer:
I am not very sure but I think the probability will be 1/3 because there are only 3 primary colors and 4 secondary colors
Step-by-step explanation:
Hope this helped :)
Answer:
7.2units
Step-by-step explanation: