Answer:
Step-by-step explanation:
This is an arithmetic series.
3 , 5 , 7 ,......
Common difference = second term - first term
= 5 - 3
= 2
Answer:
x=20
Step-by-step explanation:
73-13=60
60÷3=20
Answer:
if 9 ants=3.51inches
25 ants =x
therefore by cross multiplication
x= 25*3.51 /9 =9.8 inches
answer:B
1:40 because if we think of this just like a fraction

that simplifys down to

and because fraction simplifications are similar (related to each other) we can concur that these would be too.
Enjoy!=)