Question

Debbie has a pack of cards numbered from 1 to 20 she picks for different number cards exactly 3 of the four numbers are multiples of five all four of the numbers add up to a less than 40 right what the numbers could be

Answer 1

5-10-20-x where x= 1,2,3 or 4

5-10-15-y where y= 1,2,3,4,6,7,8 or 9

Answer 2

5,10,15 added are 30
So the last numbered card could be between 1-10?
I'm not sure if this If what you mean?