Q. Find the value of the expression r–87for r=583.Write your answer as a fraction or as a whole or mixed number._____
Convert to Improper Fraction: Convert 583 to an improper fraction. 583=(5×8+3)/8=(40+3)/8=843.
Substitute in Expression: Substitute r with 843 in the expression r−87. So, 843−87.
Simplify by Subtracting: Simplify the expression by subtracting the fractions. Since the denominators are the same, subtract the numerators: 843−87=8(43−7)=836.
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