Simplify \(7\frac{1}{2}-\left(2\frac{1}{2}+3\right)\div16\frac{1}{2}\)and correct your answer to the nearest whole number

A.

33

B.

8

C.

7

D.

0

Correct answer is C

\(7\frac{1}{2}-\left(2\frac{1}{2}+3\right)\div16\frac{1}{2}\); \(\frac{15}{2} - \left(\frac{5}{2}+\frac{3}{1}\right)\div \frac{33}{2}\)
\(\frac{15}{2} - \left(\frac{5+6}{2}\right)\div \frac{33}{2}\); \(\frac{15}{2} - \frac{11}{2} \div \frac{33}{2}\)


\(\frac{11}{2}\) ÷ \(\frac{33}{2}\) = \(\frac{11}{2}\) * \(\frac{2}{33}\)

  = \(\frac{11}{33}\) or \(\frac{1}{3}\) (when simplified)

\(\frac{15}{2}\) - \(\frac{1}{3}\) = \(\frac{43}{6}\)

7.166

The nearest whole number is 7