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
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
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question
19,20,21
Transcribed Image Text: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
351-1
GSE Algebra IIB Week 8
sa (
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
Page 22 of 27
B) 275
E) 305
AD) 340
C) 410
AB) 390
AE) 240
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