Answer:
$17
Step-by-step explanation:
First, round $85,39 to the nearest dollar:
85,39 ≈ 85
Then calculate the amount of the tip:

I am joyous to assist you anytime.
I believe the answer is 10
Answer:
correct answer is D
Step-by-step explanation:
Answer: 3<em>n</em> ants
Step-by-step explanation:
If there are n ants one month, and the ants triple every month, then next month there will be 3<em>n</em> ants.
We can multiply 3 by <em>n</em> to show it tripling.
To test this, 3(10,000) = 30,000 and 3(270,000) = 810,000, which corresponds to what you've filled out in the table.
His investment will reach 14,100 after 47 quarters or 11 years and 9 months