A business ordered t-shirts for advertisement. They ordered red shirt and blue shirts. The order was for a total of 750 shirts. They ordered 70 more blue shirts than red shirts. How many of each color was ordered? 19. Let r represent the number of red shirts and b represent the number of blue shirts. Write a system of equations. A) C) fr+b=750 r=b+70 [r+b=750 b=r+70 20. How many red shirts were ordered? 21. How many blue shirts were ordered? B) D) fr+b=70 b=r+750 fr+b=70 r=b+750 Choices for 20-21: A) 360 D) 475 AC) 510 B) 275 E) 305 AD) 340 C) 410 AB) 390 AE) 240

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