60&70
57
63 How did you get this answer? The tens digit must be six. The ones digit must be half that, therefore three.
75
two tens and four ones is
Do it one piece at a time. Seven tens is 70. Nine ones is 9.Now add 70 + 9 and you get 79.
(4 * 10) + 23 = 63
The answer is 63. This is because 5 tens = 50 and 13 ones is 13. Then, add 50 and 13, and you get 63.
60
320 and 330
330 and 340.
If you are rounding to the nearest tens, it is correct that 63 is rounded to 60.
20 and 30
96, 85, 74, 63, 52, 41 or 30
Six tens plus three ones
63 How did you get this answer? The tens digit must be six. The ones digit must be half that, therefore three.
75
70.21
It is not possible to give a sensible answer to the question. It mentions "these two tens" and then fails to list any tens. It would be useful if you could be bothered to check your questions for completeness before posting them.