Answer :
You would divide 42 by 2 to find what 50% of the total would be the add that number to 42 to get the answer.
[tex]1 \% = \frac{1}{100} \\ \\50 \% = 50 \cdot \frac{1}{100}=\frac{50}{100}=\frac{1}{2} \\ \\ 42 + 42 \cdot 50 \% = 42 + \not4\not2^{21} \cdot \frac{1}{\not2^1}=42+21 = 63 \\ \\ Answer : \ new \ amount \ : 63[/tex]
