25% of what is 9.50..
0.25x = 9.50
x = 9.50 / 0.25
x = 38
so Johns bill was $ 38
The solution to the problem is as follows:
<span>ln(0.5) could be written as ln(2) - ln(2) - ln(2) = a - a - a = -a
</span>
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Answer:
The system of equations is
and
Fred's age is 36 years old and Nathan's age is 9 years old
Step-by-step explanation:
Let
f -----> Fred's age
n ----> Nathan's age
we know that
-----> equation A
----> equation B
equate the equations and solve for n
Find the value of f
therefore
Fred's age is 36 years old and Nathan's age is 9 years old
Answer ; 10x - 20
Explanation; Multiply each term in the parenthesis by 10. Then multiply the numbers, and you get your answer.
