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Question

A woman has m $20 notes and n $50 notes. The total amount of money in her possession cannot be less than $800. Represent this as an inequality.


A

20m+50n<800

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B

20m+50n800

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C

20m+50n>800

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D

20m+50n800

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Solution

The correct option is D

20m+50n800


Total value of m $20 notes and n $50 notes = 20m + 50 n
The least amount of money the woman can have in her possession is $800.
Therefore, 20m+50n800
The correct choice is D.


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