Question

Difference is 7, product is 30

Answer 1

10*3=30

10-3=7 You just have to think about what 2 numbers multiply to equal 30 then ask will they subtract from each other and equal 7.

The answer is 10 and 3.

Answer 2

Think of factor pairs of 30 until you find some that are 7 apart.
30 = 15 × 2 (difference of 13)
30 = 10 × 3 (difference of 7)
30 = 6 × 5 (difference of 1)
Your two numbers are 10 and 3.