Question

If 4, x, y, 13 forms an arithmetic progression find the value of x and y​

Answer 1

x=7

y=10

Explanation:

all you do is add 3 to 4, which is 7, so that's x, then add 3 to 7 which is 10, so that's y, and add 3 to 10, which is 13, proving that the numbers for x and y are correct.

hope this helps