30 / 2 + 10 - 2 = 23
When we divide 30 by 1/2 , we get 60. On adding 10 to 60, we get 70. The answer is 70.
40
28
By using the 30's and 50's common factors, which are 1, 2, 5, 10.
The answer is: 20/2 plus 30 = 40
40
40
(30 / 2) + 7 = 15 + 7 = 22
40
The answer is 90. Dividing in half is also same as multiplying it by 2. Then you add 10, you'll get 90.
you add the two medians together and divide them by 2