Red Cards = 10
Other Cards (Black + Blue) = 10+20 = 30
So, the ratio would be: 10/30 = 1/3
So, your final answer is 1/3
Hope this helps!
Answer: 
Step-by-step explanation:
There are 6 squares so u multiply 6x3=18 is the total surface area
CF = CD + DF (since D is simply a point on the line, and C to that point added onto F to that point is CF), so 4y-9+2y-7=14. Adding it up, we get 6y-16=14 and adding by 16 we get 30=6y. Dividing both sides by 6, we get y=5. Plugging that into DF, we get 10-7=DF=3
Answer:
Yes he has enough boxes to meet quota.
Step-by-step explanation:
4 x 8 = 32 This is over what he is requried to meet quota he is at quota.