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djyliett [7]
4 years ago
12

What is the value of the unknown number in the verbal description?

Mathematics
2 answers:
levacccp [35]4 years ago
6 0

Answer:

The correct option is A.

Step-by-step explanation:

Let the unknown number be x.

It is given that 5 times the sum of 12 and a number is 80.

5(12+x)=80

Using distributive property we get

5(12)+5x=80

60+5x=80

Subtract 60 from both the sides.

5x=80-60

5x=20

Divide both sides by 5.

x=4

The value of x is 4. Therefore the correct option is A.

OLEGan [10]4 years ago
5 0

12 + 4 = 16

16 x 5 = 80

answer: A. 4

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