Respuesta :
1 3/4 hours* (2/3)= 1 1/6 hours.
They spent 1 1/6 hours studying insects~
They spent 1 1/6 hours studying insects~
[tex]1 \frac{3}{4} \cdot \frac{2}{3} = \frac{7}{4} \cdot \frac{2}{3} = \frac{14}{12} = \frac{7}{6} =1 \frac{1}{6} \ h [/tex]