SOLUTION: Sandy�s Sweatshirt Shop sells college sweatshirts. White sweatshirts sell for $18.95 each and red ones sell for $19.50 each. If receipts for the sale of 30 sweatshirts total $572.9

Question 244990: Sandy�s Sweatshirt Shop sells college sweatshirts. White sweatshirts sell for $18.95 each and red ones sell for $19.50 each. If receipts for the sale of 30 sweatshirts total $572.90, how many of each color did the shop sell? Complete the following table, letting the number of white sweatshirts and the number of red sweatshirts.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
Of course, since there is no table included we can't complete it.
let w=white sweatshirts and r=red sweatshirts
30 sweatshirts were sold
r+s=30
s1895+r1950=57290
r=30-s
substitute 30-s for r
s*1895+(30-s)*1950=57290
s*1895+30*1950-s1950=57290
s*1895-s1950=57290-30*1950
Dig out the calculator.
30*1950=
57290-30*1950=
s1895-s1950=
Don't worry about the minus signs on both sides.
they go away by dividing
minus divided by minus= +

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