A book cost $350 and bed cost $590. With a 13% commission rate, how much money did the sale clerk earn?
2 answers:
Answer:
The sale clerk earn $122.20
Step-by-step explanation:
We are given that a book cost $350 and bed cost $590.
And we have to find that with a 13% commission rate, how much money did the sale clerk earn.
<em>For this we will find the commission earned by the sale clerk on book and bed individually.</em>
<u>As we know that;</u>
Commission earned = Commission rate Cost of an item
- <em>Commission earned on sale of book costing $350 is;</em>
Commission earned = Commission rate Cost of book
= 13% $350
= = $45.5
So, Commission earned on sale of book costing $350 is $45.5.
- <em>Commission earned on sale of bed costing $590 is;</em>
Commission earned = Commission rate Cost of bed
= 13% $590
= = $76.7
So, Commission earned on sale of book costing $350 is $76.7.
<em>Therefore, money that the sale clerk earn = $45.5 + $76.7 = $122.20.</em>
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Answer:
C
Step-by-step explanation:
So, we started out with 2,400 black rhinos.
And we know that they are declining at a rate of 10% per year.
In other words, each subsequent year will only have <em>90%</em> of the previous year's rhinos.
Therefore, our function is:
We can do some elimination first.
First, the starting point or y-intercept <em>must </em>be 2400 since that's the number of rhinos we started out with.
Therefore, we can eliminate A and D.
From the remaining choices B or C, we can technically also eliminate B. This is because from our function, we know it's exponential decay, and exponential decay is <em>not</em> a straight line.
However, to double check, let's check the population after 10 years using our function. So:
Use a calculator:
So, after 10 years, the population should be around 840.
B is definitely <em>not</em> 840 (at x=10). However, C is right around it.
Therefore, we can conclude that C is the right answer.
And we're done!
Step-by-step explanation:
answer is in photo above
