Answer:
40
Step-by-step explanation:
3x2=6 so 20x2=40. It is a 6.66:1 ratio.
A: 6, 12, 18, 24, 30
10, 20, 30, 40
B: 30
C: 5/6= 25/30 and 7/10= 21/30
D: 25/30>21/30 so 5/6>7/10
here
