Question

My 10 Yr old has this question I've no idea how to help. Any help appreciated. ​

Answer 1

Sir, could you post your question again so that we can have a better look at the question?

Answer 2

see explanation

Explanation:

the multiplication table requires the numbers on the top line to be multiplied ( × ) by 3

3 × 20 = 60

3 × 5 = 15

then numbers on lower row are

60 and 15

60 below the 20 and 15 below the 5