Step-by-step explanation:
Given that the mean of the numbers is 12

so here
let's that one as x and another one as 2x since it is given that one is twice the other
Therefore we get

Given mean = 12




Hence it's 11 and 22
Answer:
Wesley needs 32 displays for his stamp collection
Step-by-step explanation:
480 stamps in total.
15 stamps in each case
480/ 15= 32
Answer: The original number is 15.
Step-by-step explanation: