Answer:
20
Step-by-step explanation:
He wil be 20 because if his brother is 10 and it says his brothers age is his age but just doubled then it would be 20 example: If bobs brother was 40 then bob would be 80
Answer:
1, 3, 6, 10, 15, 21, 28, 36. Notice that the first 2 terms are odd, followed by another 2 even terms, and then another 2 odd terms, before 2 even terms again.
Answer: 
Step-by-step explanation:
Given
The temperature in Canada at 6 am on Christmas was 
By noon the temperature had risen by 
So, the temperature in Canada at noon is

6 × 10 = 60$ per 6 pounds
14 × 8 = 112$ per 14 pounds
you'll get 20 pounds of the candy mixture and will cost 172
172/20
8.6$ per pound