After eating dinner at a restaurant Lucy bill before tak is $48.00 the sales tax rate is 8% Lucy decided to leave a 20% tip for
1 answer:
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Answer: 896
Step-by-step explanation:
Let's use a rule of three here.
Solve for x;
For this case we have the following equation:
We must replace the following value in the equation:
Substituting we have:
Simplifying the given expression we have:
Then, using logarithm properties in base 10, we can rewrite the expression:
Finally, making the product, the result is:
Answer:
option 4
We must replace the following value in the equation:
Substituting we have:
Simplifying the given expression we have:
Then, using logarithm properties in base 10, we can rewrite the expression:
Finally, making the product, the result is:
Answer:
option 4
Answer:
The amount invested in the mutual fund that earned 5% was $1,000
The amount invested in the mutual fund that earned 3% was $1,800
Step-by-step explanation:
Let
x ----> the amount invested in the mutual fund that earned 5%
y ----> the amount invested in the mutual fund that earned 3%
we know that
---->
----> equation A
----> equation B
Solve the system by substitution
substitute equation A in equation B
Solve for x
<em>Find the value of y</em>
therefore
The amount invested in the mutual fund that earned 5% was $1,000 and the amount invested in the mutual fund that earned 3% was $1,800