Question

A retailer ordered a combination of 50 black and white sweatshirts. Each white sweatshirt cost him $10 and
each black sweatshirt cost him $12. If he paid a total of $556 for the order, how many white sweatshirts did
retailer order?​

Answer 1

The number of white  sweatshirts is 28

Step-by-step explanation:

Let ordered black shirts be represented by b

Let ordered white shirts be represented by w

So total sweatshirts will be represented by the equation

b+w=50

The total cost of the ordered sweatshirts will be represented by

10b + 12 w= $556

For simultaneous equations as;

b+w=50

10b+12w=556

solving the equations using substitution method where b=50-w

10(50-w)+12w=556

500-10w+12w=556

-10w+12w=556-500

2w=56

w=56/2= 28

b=50-w=50-28=24

Number of white  sweatshirts  is 28

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Simultaneous equation :https://brainly.com/question/12919422

Keyword : cost

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Answer 2

Answer: is 22 i try put answer some one its ok