Mr. Santos, working as a salesman for a firm, gets a salary of 5000 per month plus a commission of 10% on all sales above 2000000 per month and his total gross pay last month was 21000, how much was his total sale last month?

Answer 1

2160000

It is obvious that gross salary exceeding 5000 was commission. Hence we have to determine the amount whose 10% is 16000. This amount would be 160000.

His total sales would this be 2000000+160000= 2160000

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Answer 2

Let the total sales last month be x.
Mr. Santos gets a commission of 10% on all sales above 2000000.
So, the commission earned on (x - 2000000) sales = 10% of (x - 2000000).

Mr. Santos' total gross pay last month was $21000.
Therefore,
5000 + 0.10(x - 2000000) = 21000
5000 + 0.10x - 200000 = 21000
0.10x - 200000 = 21000 - 5000
0.10x - 200000 = 16000
0.10x = 16000 + 200000
0.10x = 216000
x = 216000 / 0.10
x = 2160000

So, Mr. Santos' total sales last month were $2160000.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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