[tex]4\frac{17}{20}[/tex] gallons of chilli were extra spicy.
Step-by-step explanation:
Given,
Total gallons of chilli made = [tex]12\frac{3}{5}[/tex]
Quantity of mild chilli = [tex]7\frac{3}{4}[/tex]
Let,
x be the amount of extra spicy chilli.
Mild chilli + extra spicy chilli = total gallons
[tex]7\frac{3}{4}+x=12\frac{3}{5}\\\\\frac{31}{4}+x=\frac{63}{5}\\\\x=\frac{63}{5}-\frac{31}{4}\\\\x=\frac{252-155}{20}\\\\x=\frac{97}{20}\\\\x=4\frac{17}{20}[/tex]
[tex]4\frac{17}{20}[/tex] gallons of chilli were extra spicy.
Keywords: fraction, subtraction
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