a family of 5 children share the bread as follows three-quarters of the bread is shared among 2 children and the rest share the
2 answers:
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Answer:
x = 1
Step-by-step explanation:
Using the rules of logarithms
log ⇔ n log x
x = n ⇔ x =
Given
3 (2x) = 3
(2x)³ = 3
(2x)³ = 2³
8x³ = 8 ( divide both sides by 8 )
x³ = 1 ( take the cube root of both sides )
x = 1
Answer:
The money left after gasoline expenses was <u>$622.50</u>.
Step-by-step explanation:
Given:
Last month, family had used 40% of the monthly income for gasoline, and 63% of that gasoline was consumed by the family's SUV.
The family's SUV used $261.45 worth of gasoline previous month.
Now, to find the money left of the family monthly income after gasoline expenses.
Let the total money spend on gasoline be
As, given:
The family's SUV used $261.45 worth of gasoline, which was 63% of the gasoline that was consumed.
According to question:
<em>Dividing both sides 0.63 we get:</em>
<u><em>The total money spend on gasoline = $415.</em></u>
Now, 40% of the monthly income is used for gasoline.
Let the total monthly income be
So, to get the monthly income we put an equation:
<em>Dividing both sides by 0.40 we get:</em>
<u><em>The total monthly income = $1037.50.</em></u>
Now, to get the money left after gasoline expenses we subtract the total money spend on gasoline from the total monthly income:
Therefore, the money left after gasoline expenses was $622.50.