Answer:
A . a = 3/5
Step-by-step explanation:
- 2/5 + a = 1/5
Add 2/5 to each side
-2/5 + a + 2/5 = 1/5 + 2/5
a = 3/5
Therefore a = 3/5
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-Chetan K
The answer to your problem is 11
You can tell if two fractions are proportional by cross multiplying the fractions. If the fractions are equivalent, then they are proportional. If they are not equivalent, they are not proportional.
The probability for a boy is 8/12 and the girls is 4/12 so that's a 4/12 diffrence
