The commas must be placed both before and after the nonessential element. For example...
My mom, who hates cooking, ordered takeout.
"who hates cooking" is the nonessential element, and you can see that a comma goes before and after it.
Answer : unless she is ill
The adverb clause of the sentence above is "unless she is ill". It can be recalled that an adverb clause is composed of a subject and connected by a subordinating conjunction. In this case, the subordinating conjunction is unless and this conjunction keeps the clause from expressing a complete thought. The adverb clause "unless she is ill" also answers the wh question "When will Mary comes to school?", making it the correct adverb phrase.
Was there a story to go with this?
Fractions are simply a division expression.
The expression (10)/(60) simply does not make sense in this situation because you are not arranging ten cans of soup into sixty rows (which is impractical), you are arranging sixty cans of soup into ten rows, six cans in each row.
The fraction for this situation should be represented (60)/(10)
(sixty over ten)
because sixty is being divided by ten.
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