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kenny6666 [7]
1 year ago
9

the sum of 3 times a number and twice the same number is less than 45.a. 3n + 2n < 45b. 3n + 2 > 45c. 3(n + 2) < 45d. 2

(n + 3) < 45
Mathematics
1 answer:
ludmilkaskok [199]1 year ago
4 0

Let be "n" the number mentioned in the exercise.

You need to remember that:

1. In Math word problems:

- The word "times" means multiplication.

- The word "twice" indicates that something is multiplied by 2.

- "Sum" is the result of an Addition.

2. In inequalities, "Less than" is represented with the following symbol:

Then, based on the above, you know that "3 times a number" can be expressed as:

3n

And "Twice the same number":

2n

Therefore, "The sum of 3 times a number and twice the same number is less than 45" can be represented with the following inequality:

3n+2n

The answer is: Option a.

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