An electrician charges $13.85 per hour. find the charge of labour if he works from 11:20 a.m. till 2:50 p/m

$${\mathtt{3.5}}{\mathtt{\,\times\,}}{\mathtt{13.85}} = {\frac{{\mathtt{1\,939}}}{{\mathtt{40}}}} = {\mathtt{48.475}}$$

 

$48.48