When we divide 30 by 1/2 , we get 60. On adding 10 to 60, we get 70. The answer is 70.
25
30 / 2 + 10 - 2 = 23
Half is the same thing as .5 so you divide 30 by .5 and you get 60 then you add 10 so it is 70. TADA!!!
Seventy. 30 / .5 = 60; 60 + 10 = 70.
By using the 30's and 50's common factors, which are 1, 2, 5, 10.
70: 30 divided by 1/2=60+10=70 trick: not 30 divided by 2
There are ten ten thousands in 100,000, and three 100,000's in 300,000, and 10x3=30. There are 30 ten thousands in 300,000.
28
30
Half past ten is 30 minutes after 10 o'clock. (10:30)
30
30