17 - 20 A member of a certain family needs to buy face mask and face shield. A face mask cost Php. 5.00 each while the face shield costs Php. 30.00 each. She can spend no more than Php. 120.00. The total number of items should not exceed to 12. How many face masks and face shields can she buy to maximize the total number of items and her money? (Show your solution)

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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17 - 20 A member of a certain family
needs to buy face mask and face
shield. A face mask cost Php. 5.00
each while the face shield costs Php.
30.00 each. She can spend no more
than Php. 120.00. The total number of
items should not exceed to 12. How
many face masks and face shields
can she buy to maximize the total
number of items and her money?
(Show your solution) *
Transcribed Image Text:17 - 20 A member of a certain family needs to buy face mask and face shield. A face mask cost Php. 5.00 each while the face shield costs Php. 30.00 each. She can spend no more than Php. 120.00. The total number of items should not exceed to 12. How many face masks and face shields can she buy to maximize the total number of items and her money? (Show your solution) *
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