Calculate the value of: 12.55 + 6.4 \times 5 - 2.85 \times 4 +... | Mathematics MCQ | Examoogle

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Calculate the value of: 12.55 + 6.4 $\times 5 - 2.85 \times 4 + 9.2 \times 3$

60.75

58.75

62.35

56.45

Correct Answer

⚙️ TE • Technical BODMAS CalculationMathematicsArithmetic

Option A

60.75

Quick Summary:

A is correct because $12.55 + (6.4 imes 5) - (2.85 imes 4) + (9.2 imes 3) = 12.55 + 32.0 - 11.4 + 27.6 = 60.75$ .

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📐MAMath SolutionBODMAS Calculation

🔢 Step-by-Step Solution

Step 1: Perform Multiplications

Evaluate all multiplication terms first according to the BODMAS rule: $6.4 imes 5 = 32.0$ , $2.85 imes 4 = 11.4$ , and $9.2 imes 3 = 27.6$ .

6.4imes5=32.0,2.85imes4=11.4,9.2imes3=27.66.4 imes 5 = 32.0, \quad 2.85 imes 4 = 11.4, \quad 9.2 imes 3 = 27.66.4imes5=32.0,2.85imes4=11.4,9.2imes3=27.6

Step 2: Substitute Values

Substitute the evaluated multiplication products back into the expression.

12.55+32.0−11.4+27.612.55 + 32.0 - 11.4 + 27.612.55+32.0−11.4+27.6

Step 3: Evaluate Addition and Subtraction

Add the positive terms first: $12.55 + 32.0 + 27.6 = 72.15$ , then subtract $11.4$ : $72.15 - 11.4 = 60.75$ .

72.15−11.4=60.7572.15 - 11.4 = 60.7572.15−11.4=60.75

✅

A is correct because $12.55 + (6.4 imes 5) - (2.85 imes 4) + (9.2 imes 3) = 12.55 + 32.0 - 11.4 + 27.6 = 60.75$ .

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