Answer:
[tex] \boxed{- \frac{21}{25} } \: or \: \boxed{ - 0.84}[/tex]
Step-by-step explanation:
[tex] - \frac{67}{50} +1.5-100 \% = - \frac{67}{50} + \frac{15}{10} - \frac{100}{100} = \\ \frac{ - 670 + 750 - 500}{500} = \frac{750 - 1170}{500} = \\ - \frac{ 420}{500} = - \frac{21}{25} [/tex]
