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3x + 18 is the perimeter of the classroom​

Sagot :

Answer:

54

Step-by-step explanation:DI PO AKO SUR :>

Answer:

54

Step-by-step explanation:

1. 3

×18

2. 3×8 = 24

3

×18

24

3. 1×0 = 0

3

×18

24

0

4. 1×3 = 3

3

×18

24

30

5. 24

+30

54