Help with number 4 please?
2 answers:
10 because 7 x 3 = 21 and 7 + 3 = 10 so your answer is 10
The only factors of 21 are: 1 and 21 or 3 and 7.
Since the two number mentioned are single digits, the numbers being used must be 3 and 7.
To get the sum, just add them together!
3 + 7 = 10
The answer to your problem is 10.
Hope this helps!!
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