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.
40
Well, darling, dividing 30 by half is the same as multiplying it by 2, which gives you 60. Adding ten to that will give you 70. Math doesn't have to be a headache, honey!
28
The answer is: 20/2 plus 30 = 40
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
Well, darling, dividing 30 by half is the same as multiplying it by 2, which gives you 60. Adding ten to that will give you 70. Math doesn't have to be a headache, honey!
12
b ./
28
The answer is: 20/2 plus 30 = 40
40
30 / 2 + 10 - 2 = 23
40