Three times a certain number is 21. What is the number?
2 answers:
Answer:
The answer is 7
Step-by-step explanation:
an easier way to think of it is 21 divided by 3, which again, is 7.
Hope That Helps!
Answer:
7
Step-by-step explanation:
Let x be the unknown number
times is multiply and is means equals
3x = 21
Divide each side by 3
3x/3 = 21/3
x = 7
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