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grin007 [14]
2 years ago
9

Zach is a shoe salesman, and he works on commission. This week, there is a special incentive to sell shoes and boots by a certai

n company. Yesterday, Zach sold 5 pairs of shoes and 9 pairs of boots, earning $185 in commission. Today, he sold 7 pairs of shoes and 9 pairs of boots, earning a total commission of $205. How much does Zach earn for the sale of each type of footwear?
Mathematics
1 answer:
Alexandra [31]2 years ago
7 0

Answer:

Zach earns $10 and for the pair of boots Zach earns $15

Step-by-step explanation:

Let be x the number of pairs of shoes

Let be y the number of pairs of boots

Then we can establish the following system of equations with the data of the statement:

5x + 9y = 185 \\7x + 9y = 205

We subtract the second equation from the first equation to eliminate the variable y and solve for x, just like this:

7x+9y-5x-9y=205-185\\2x=20\\x=\frac{20}{2}\\x=10

For y replacing in the first equation the value of x and solving for y:

5.10 + 9y = 185\\9y=185-50\\y=\frac{135}{9}\\y=15

So for the pair of shoes Zach earns $10 and for the pair of boots Zach earns $15

Please mark be as brainliest if you found this helpful. please

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3 0
2 years ago
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Answer:

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5 0
3 years ago
How much money will be in a bank account after 4 years if $8 is deposited at an interest rate of 5%?
stealth61 [152]

Answer:

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Step-by-step explanation:

The question above is a simple interest question.

The formula for the amount of money after a given period of time using simple interest is given as:

A = P(1 + rt)

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Calculation:

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3 years ago
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3 years ago
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Answer:

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Decimal Form:

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Mixed Number Form

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Step-by-step explanation:

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