(22/4 +22/5x) 15
=15([tex] \frac{22}{4}+ \frac{22}{5x}[/tex])
=15[tex] (\frac{5x(22)}{5x(4)}+ \frac{4(22)}{4(5x)})[/tex]
=15[tex] (\frac{110x}{20x}+ \frac{88}{20x})[/tex]
=3[tex] (\frac{110x}{4x}+ \frac{88}{4x})[/tex]
=3[tex] (\frac{110x+88}{4x})[/tex]
=3[tex] (\frac{27.5x+22}{x})[/tex]