Answer:
77
Step-by-step explanation:
This is pure calculation. We will have:
[tex]14\cdot\frac{x}{\frac{2}{5}}=13 \frac{3}{4}\\\frac{14x}{\frac{2}{5}}=\frac{55}{4}\\14x=\frac{55}{4}\cdot\frac{2}{5}\\\\\14x=\frac{11}{2}\\x=\frac{11}{2}\div14\\x=1=\frac{11}{2}\cdot14\\x=77[/tex]
Hope this helps.
