What is the value of the expression below? 8 + 24 / 2 X 6 - 4

Mathematics

2 answers:

umka21 [38]3 years ago

6 0

8 + 24 / 2 X 6 - 4

following order of operations divide 24 by 2:

8 + 12 x 6 -4

Multiply 12 by 6:

8 + 72 -4

Add 8 and 72:

80-4

Subtract to get 76

hram777 [196]3 years ago

3 0

RULE:

<u>PEMDAS</u>:— Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

ANSWER:

On simplifying expression, we get

8 + 24/2 × 6 – 4

First is multiplication,

8 + 24 × 3 – 4
8 + 72 – 4

Now, Addition comes first

80 – 4
76.

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The factory used to produce 126 articles a day. As a result of retooling, production increased to 189 articles a day. What was t

NARA [144]

Answer: The answer is 50%.

Step-by-step explanation: Given that the factory produces 126 articles in a day. After retooling, the production of the articles increased and they started producing 189 articles in a day. We need to calculate the percent increase in labour productivity.

We have,

Percent Increase in labour productivity will be equal to the percent increase in the number of articles.

Increase in the number of articles after retooling = 189 - 126 = 63.

Therefore, percent increase in the number of articles is given by

$p=\dfrac{63}{126}\times 100\%=\dfrac{100}{2}\%=50\%.$