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Triss [41]
4 years ago
13

associate in a department store earns a commission on each suit and each pair of shoes sold. One week, she earned $47 in commiss

ion for selling 3 suits and a pair of shoes. The next week, she earned $107 in commission for selling 7 suits and 2 pairs of shoes. How much commission does she earn for selling each suit and each pair of shoes? Solve by substitution.
Mathematics
1 answer:
Len [333]4 years ago
7 0

Answer: the commission that she earns for selling each suit is $13

the commission that she earns for selling each pair of shoes is $8

Step-by-step explanation:

Let x represent the commission that she earns for selling each suit.

Let y represent the commission that she earns for selling each pair of shoes.

One week, she earned $47 in commission for selling 3 suits and a pair of shoes. It means that

3x + y = 47 - - - - - - - - - - 1

The next week, she earned $107 in commission for selling 7 suits and 2 pairs of shoes. It means that

7x + 2y = 107 - - - - -- - - - -2

Multiplying equation 1 by 2 and equation 2 by 1, it becomes

6x + 2y = 94

7x + 2y = 107

-x = -13

x = 13

Substituting x = -13 ,into equation 1, it becomes

3×13 + y = 47

39 +y = 47

y = 47 - 39 =

y = 8

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CAN SOMEBODY PLEASE HELP ME???? I DONT UNDERSTAND AT ALL AND I NEED HELP PLEASE THANK YOU IF YOU CAN HELP ME!!!!!
marshall27 [118]

Answer:

9 possible combinations: RGB, RYG, RGB, OYG, OGB, OBP, YGB, YBP, GBP

Step-by-step explanation:

  • <em> We need to consider The Triangle Inequality Theorem which states that the sum of any 2 sides of a triangle must be greater than the measure of the third side. </em>

<u>Let's see what are the possible combinations: </u>

3+4= 7 so possible 3rd side is 5

  • 3, 4, 5 or ROY

3+5= 8 so possible 3 rd side is 7

  • 3, 5, 7 or RYG

3+7= 10 so possible 3rd side is 5 or 9 (5 is repeat of the one above)

  • 3, 7, 9 or RGB

3+9= 12 so possible 3rd side is 7, see one above

3+12= 15 so possible 3 rd side is none

4+5=9 so possible 3rd side is 7

  • 4, 5, 7 or OYG

4+7= 11 so possible 3rd side is 9

  • 4, 7, 9 or OGB

4+9= 13 so possible 3rd side is 12

  • 4, 9, 12 or OBP

5+7= 12 so possible 3rd side is 9

  • 5, 7, 9 or YGB

5+9= 14 so possible 3rd side is 12

  • 5, 9, 12 or YBP

7+9= 16 so possible 3rd side is 12

  • 7, 9, 12 or GBP

So the possible 9 combinations are:

RGB, RYG, RGB, OYG, OGB, OBP, YGB, YBP, GBP

3 0
3 years ago
Read 2 more answers
Multiplying by 10 , 100 , 1000 just write the answer down picture below
stepan [7]

Answer:

1.  1000

2.  10

3.  10

4.  663

5.  1,000

6.  715

7.  890

8.  483

9.  748

10.  1,000

11.  682

12.  1,000

13.  127

14.  509

I  cannot  see  question  15.

16.  22

Step-by-step explanation:

1. Three zeroes equal 1,000

2. One zero equal 10

3. One zero equal 10

4. Look at the value without the zeroes

5. Three zeroes equal 1,000

6. Look at the value without the zeroes

7. Since 890 has one zero, one more zero equal 10

8. Look at the value without the zeroes

9. Same as 8.

10. Three zeroes equal 1,000

11.  Look at the value without the zeroes

12.  Three zeroes equal 1,000

13. Same as 11.

14. Same as 13.

15. N/A

16. I am not sure about this one cause I don't know if there are more zeroes or not, but same as 13.

4 0
4 years ago
Find the slope of the line that passes through the following points (2,5) (5,11)
adoni [48]

Answer:

the slope is 2

Step-by-step explanation:

take y2 and y1 and subtract them, 11 - 5 = 6

then take x2 and x1 and subtract them, 5 - 2 = 3

then divide those 2 numbers, 6/3 and you get 2

4 0
3 years ago
Read 2 more answers
Which of the following lengths will form a triangle?
Umnica [9.8K]

Answer:

c

Step-by-step explanation:

because 4.2+7.6= 11.8, so it is higher than the third side

7 0
3 years ago
What is 4.57125 rounded to?
Paul [167]

That depends.

-- If you're rounding to the nearest ten-thousandth, it's  4.5713  .
-- If you're rounding to the nearest thousandth, it's  4.571 .
-- If you're rounding to the nearest hundredth, it's  4.57 .
-- If you're rounding to the nearest tenth, it's  4.6 .
-- If you're rounding to the nearest whole number, it's  5 .
-- If you're rounding to the nearest ten, or to any larger place, it's zero.

5 0
4 years ago
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