Answer: 3
Step-by-step explanation:

Kayla sold 12 blue tshirts and 36 white tshirts
Answer:
$0.32, so a quarter a nickel and 2 pennies
Step-by-step explanation:
You have the right one selected.
The answer is 2:1
To find this take each side of ABC and its corresponding side on DEF, then simplify. You can treat ratios just like fractions, so simplify them in the same way.
20:10 becomes 2:1
12:6 becomes 2:1
16:8 becomes 2:1