jamie is n years old. brian is twice as old as jamie. in 8 yrs, morgan will be 2 yrs more than half of brian and jamies combined
1 answer:
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Use the depreciation formula.
Where 'p' is the principal value, 'r' is the rate it depreciates, and 'n' is the time. Just plug in what we know:
Simplify by subtracting:
Simplify the exponent:
Multiply:
Where 'p' is the principal value, 'r' is the rate it depreciates, and 'n' is the time. Just plug in what we know:
Simplify by subtracting:
Simplify the exponent:
Multiply:
Answer:
x is 0 or -7
Step-by-step explanation: