65 is. It's called the "average" of 60 and 70.
65
It is: 70
All are composite except 61 and 67. Composite numbers: 60, 62, 63, 64, 65, 66, 68, 69, 70
61 and 67 are the only prime numbers between 60 and 70.
It is 70
63
It is: 70
70-10=60. 60/2=30. 10+30 or 70-30=40. Answer 40
Halfway between 70 and 100 is (70 + 100) ÷ 2 = 85.
(50 + 70)/2 = 120/2, which is 60.
50
43
60 It is 10 more than 50 and 10 less than 70 To find a halfway point (which is also the average), add the numbers together and divide by 2.
55
The number in between is 60
(70 + 100)/2 = 170/2 = 85
All are composite except 61 and 67. Composite numbers: 60, 62, 63, 64, 65, 66, 68, 69, 70
The whole number between the square roots of 60 and 70 is 8. 8² = 64.