Answer:
Step-by-step explanation:
Given
Required
Ratio of odd numbers to total
First, list out the odd numbers
The card has 4 odd numbers out of a total of 6.
So, the ratio is:
Divide by 2
<em>Hence, the ratio of odd to total is 2 to 3</em>
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Wa=0.5Wb, Ha=20, Hb is unkown
the area of rectangle a is : Wa*20
the area of rectangle b is : Wb*Hb
Rectangle a has 7 times the area of rectangle b: Wa*20=7*Wb*Hb
Replace Wa with 0.5Wb: 0.5Wb*20=7Wb*Hb => Hb=10/7
X=5 , x=3 - just plug in 2 and 3 into x and the lines will make it positive instead of negative