Question
Download Solution PDFFind the value of [{(82 + 48 ÷ 8 × 3) + 5 × 6 } – 7.5 × 2].
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
Expression: [{(82 + 48 ÷ 8 × 3) + 5 × 6 } − 7.5 × 2]
Concept:
Order of operations (BODMAS/BIDMAS): Brackets, Orders (i.e., powers and square roots, etc.), Division and Multiplication, Addition and Subtraction.
Calculation:
⇒ Simplify inside the innermost brackets first.
⇒ 48 ÷ 8 = 6
⇒ 6 × 3 = 18
⇒ 82 + 18 = 100
⇒ 5 × 6 = 30
⇒ (100 + 30) = 130
⇒ 7.5 × 2 = 15
⇒ 130 − 15 = 115
∴ The value of the expression is 115.
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