10 × (8 + 3) – 6 + [8 × (3 + 2)]
2 answers:
Answer:
Explanation:
Follow PEMDAS Order Of Operations
PEMDAS: Parenthesis, Exponents, Multiply, Divide, Add, Subtract
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Calculate Within Parenthesis: (8 + 3) = 11
= 10 · 11 - 6 + [ 8 · (3 + 2) ]
Calculate Within Parenthesis: [ 8 · (3 + 2) ] = 40
= 10 · 11 - 6 + 40
Multiply / Divide (Left To Right): 10 · 11 = 110
= 110 - 6 + 40
Add / Subtract (Left To Right): 110 - 6 + 40 = 144
= 144
Mordancy.
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Group A
Money spent by Person 1 = £500
Money spent by Person 2 = £600
Money spent by Person 3 = £900
Money spent by Person 4 = £450
Sum of money spent by group A = £2,450
Average money spent by group A =
⇒ Average money spent by group A = £612.5
Group B
Money spent by Person 1 = £700
Money spent by Person 2 = £500
Money spent by Person 3 = £680
Money spent by Person 4 = £500
Sum of money spent by group B = £2,380
Average money spent by group B =
⇒ Average money spent by group B = £595
Hence, Group B had lower average spend.