Answer:
4 and 12
Step-by-step explanation:
a = young
b = old
b = 3a, a+b =2a+8 => a = 4, b = 12
Answer: -406
Step-by-step explanation:
We have the following expression:

In addition we know:
and
If we substitute this in the expresion, we will have:

Answer:11
It is 11 because the lines beside the numbers represent ABSOLUTE VALUE. Absolute value basically means that wether or not it is a positive or negative number it will always be positive. Simplify-6+5=11
1=650,000
2=270,000
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