[tex]\frac{35}{2} \: or \: 17 \frac{1}{2} [/tex]
Step-by-step explanation:
[tex]7 \times 2 \frac{1}{2} [/tex]
Convert mixed number to fraction
[tex]2 \frac{1}{2} = \frac{5}{2} \\ \\ 7 \times \frac{5}{2} [/tex]
Simplify
[tex] \frac{7}{1} \times \frac{5}{2} = \frac{35}{2} [/tex]
Convert to mixed number
[tex]17 \frac{1}{2} [/tex]