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RSB [31]
3 years ago
11

Solve these equations 27x + 14 =500. 600= 12 + 14y

Mathematics
1 answer:
Oksana_A [137]3 years ago
3 0

Answer:

x = 18 , y = 42

Step-by-step explanation:

27x + 14 = 500

      -14      -14

This process above moves the +14 to the right hand side, making it negative 14

27x = 486

To find x, divide 27 by 486

x = 486/27

x = 18

600 = 12 + 14y

Move the 12 to the left hand side to remain the 14y

600 = 12 + 14y

-12     -12

588 = 14y

Divide 14 by 588

588/14 = y

y = 42

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Answer: The inequality required to express the above condition is   x     ≥    18.75

Step-by-step explanation:Renata and her family go through an average of more than 15 cans of sparkling water each day.

The number of cases of 24 cans of sparkling water.

We can take the number of cases to be x.

Each case is said to cost $3.50.

An inequality for the number of cases that Renata's family go through in 24 days can be written as

      x ≥            ⇒     x    ≥            ⇒   x ≥     18.75

Therefore the inequality required to express the above condition is

x     ≥    18.75

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