A laundry service is buying detergent and fabric softener from its supplier. The supplier will deliver no more than 300 pounds in a shipment. Each container of detergent weighs 7.35 pounds, and each container of fabric softener weighs 6.2 pounds. The service wants to buy at least twice as many containers of detergent as containers of fabric softener. Let d represent the number of containers of detergent, and let s represent the number of containers of fabric softener, where d and s are nonnegative integers. Which of the following systems of inequalities best represents this situation? A) 7.35d + 6.2s s 300 d z 2s B) 7.35d + 6.2s s 300 2d 2s C) 14.7d + 6.2s s 300 d2 2s D) 14.7d + 6.2s < 300 2d 2s

A laundry service is buying detergent and fabric softener from its supplier. The supplier will deliver no more than 300 pounds in a shipment. Each container of detergent weighs 7.35 pounds, and each container of fabric softener weighs 6.2 pounds. The service wants to buy at least twice as many containers of detergent as containers of fabric softener. Let d represent the number of containers of detergent, and let s represent the number of containers of fabric softener, where d and s are nonnegative integers. Which of the following systems of inequalities best represents this situation? A) 7.35d + 6.2s s 300 d z 2s B) 7.35d + 6.2s s 300 2d 2s C) 14.7d + 6.2s s 300 d2 2s D) 14.7d + 6.2s < 300 2d 2s

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

A laundry service is buying detergent and fabric
softener from its supplier. The supplier will deliver
no more than 300 pounds in a shipment. Each
container of detergent weighs 7.35 pounds, and each
container of fabric softener weighs 6.2 pounds. The
service wants to buy at least twice as many containers
of detergent as containers of fabric softener. Let d
represent the number of containers of detergent, and
let s represent the number of containers of fabric
softener, where d and s are nonnegative integers.
Which of the following systems of inequalities best
represents this situation?
A) 7.35d + 6.2s < 300
d2 2s
B) 7.35d+ 6.2s < 300
2d 2s
C) 14.7d +6.2s < 300
d2 2s
D) 14.7d + 6.2s < 300
2d 2s

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