Answer:
Step-by-step explanation:

<u>If we substituted 1 for a then:</u>
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There’s something called a calculator
Total units= 1+3+6
=10
10 units= $40
1unit= $40/10
= $4
Person 1= $4 x 1
= $4
Person 2= $4 x 3
= $12
Person 3=$4 x 6
=$24
The value do you mean absolute value if you do it would be 4