Evaluate (5 × 1.6 − 2 × 1.4) ÷ 1.3.

Problem restatementCompute the value of a linear combination of decimals divided by 1.3.

Step-by-Step calculationNumerator = 5×1.6 − 2×1.4 = 8.0 − 2.8 = 5.2Quotient = 5.2 ÷ 1.3 = 4

Common pitfallsArithmetic slips with decimals or dividing by 1.3 incorrectly.

Final Answer4