Answer:
5
Step-by-step explanation:
double 5 is 10
10+3=13
13 multiplied by 4=52
s
(4x3)+(5x3)=12+15=27
You can multiple both by any number as long as it adds to nine. 4 plus 5=9.
You can also do 3+6=9, or 8+1=9
20 Miles hope it helps!