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helooo!! i’m reviewing for a test and these type of questions are very confusing, can someone help explain?

helooo!! i’m reviewing for a test and these type of questions are very confusing, can-example-1
User Ekaterina
by
3.4k points

1 Answer

1 vote

Answer:

9/2

Explanation:

I think you're supposed to replace "r" with 2

45/2+8

45/10

Simplified: 9/2

Decimal: 4.5

User Cyberboxster
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2.7k points