Answer:
he have left 4.45 kg
Step-by-step explanation:
The computation of he have left is as follows:
= Total salt purchase - salt used on his sidewalk - sales used on the driveway
[tex]= 10 - 1 \frac{3}{4} - 3 \frac{4}{5}\\\\= 10 - \frac{7}{4} - \frac{19}{5}\\\\= \frac{200 - 35 -76 }{20} \\\\= \frac{89}{20}[/tex]
= 4.45 kg
Hence, he have left 4.45 kg
