Answer:
ABC = 27
DBC = 56
Step-by-step explanation:
ABC + CBD = ABD
x+10 + 4x-12 = 83
Combine like terms
5x -2 = 83
Add 2 to each side
5x-2+2 = 83+2
5x = 85
Divide each side by 5
5x/5 = 85/5
x =17
ABC = x+10 = 17+10 = 27
DBC = 4x-12 = 4*17 -12 = 68-12 = 56
There are 15 pencils altogether. Of these, 4 are green. Thus, P(green) = 4/15.
3+6
There are 3 red and 6 blue pencils. Thus, P(red or blue) = --------- = 3/5
15
Answer:
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Step-by-step explanation: