The correct option is this: SHE KNEW NOW WHAT MEANT THE DUTIES OF THE HOUSEHOLD, THE HEAVY WORK OF THE KITCHEN.
A topic sentence is a sentence in a paragraph which expresses the major topic or idea that is discussed in that paragraph. A topic sentence can be easily recognized in a paragraph because it is always the opening sentence of the paragraph. The major function of the other sentences in a paragraph is to support the topic sentence.
0.15 to chance and percent to a decimal just move the decimal point to the left two times so example: 15.0% = 0.15
