Answer: 24.8
Explanation: If Henry is halving a number, that means he's dividing it by 2, getting two halves. You would get the original number by undoing that division, or multiplying the product by 2.
2 x 12.4 = 24.8
4/6
4/6 = 2/3
4/6 = 8/12
Answer : 2/3 and 8/12
Let the number of pages read on day 1 be = x
Then on day 2 he read twice the pages from day one, it is = 2x
On 3rd day he read 6 pages less than 1st day, it is = x-6
Total pages are = 458
The equation becomes: 



So on the third day, Aiden read
pages.
It would cost $132. 7+7+15+15X3=132
go on google im gessing so the anser mite be 245776336