Answer:
28a20b24
Step-by-step explanation:
7(4)=28a
5(4)=20b
6(4)=24
so you put it all together which is: 28a20b24
28a 20b 24
distance=13=1300m
time=22 sec
speed= 1300/22
=590
C
I think its B
i think it would be fx9x5
sorry if its not write
