Seventy. 30 / .5 = 60; 60 + 10 = 70.
40
When you divide 30 by half, you are essentially dividing 30 by 0.5, which equals 60. Adding 10 to 60 gives you a final result of 70.
The answer is: 20/2 plus 30 = 40
28
Seventy. 30 / .5 = 60; 60 + 10 = 70.
40
By using the 30's and 50's common factors, which are 1, 2, 5, 10.
25
When you divide 30 by half, you are essentially dividing 30 by 0.5, which equals 60. Adding 10 to 60 gives you a final result of 70.
12
b ./
The answer is: 20/2 plus 30 = 40
28
40
30 / 2 + 10 - 2 = 23
40