Answer :
To find how much rice the chef bought in all, find the sum of the given fractions, 3/2 and 71/10:
[tex]\frac{3}{2}+\frac{71}{10}=\frac{3\cdot10+2\cdot71}{2\cdot10}=\frac{172}{20}=\frac{86}{10}[/tex]The answer is 86/10, that converted to decimal is 8.6 pounds