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Which mathematical sentence most accurately expresses the information inthe problem below?

Which Mathematical Sentence Most Accurately Expresses The Information Inthe Problem Below class=

Sagot :

SOLUTION

We are told that Christine has 9 shinning rings, and that if 5 of them are gold, how many are not gold?

Let the number of the rings that are not gold be n,

Since she has 9 rings and 5 are gold, then the numbers that are not gold which is n becomes

[tex]9\text{ shinning rings - 5 gold rings}[/tex]

So,

[tex]n=9-5[/tex]

If we bring -5 to meet n, then the minus sign becomes a plus sign, we have

[tex]n+5=9[/tex]

Hence, the answer is option D

[tex]n+5=9[/tex]