# Four numbers

The first number is 50% second, the second number is 40% third, the third number is 20% of the fourth. The sum is 396. What are the numbers?

a =  12
b =  24
c =  60
d =  300

### Step-by-step explanation:

$b=24=24$
$c=60=60$
$d=300=300$

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