Right now, the ratio between the ages of Sandy and Molly is 4:3. After 6 years, Sandy’s age will be 34 years. What is Molly's age right now?
Choose the most appropriate option:
A) 12
B) 15
C) 18
D) 21
E) 24
Now, Sandy is  34 - 6= 
<gadget id="calculator"> 34 - 6</gadget>
<output>28</output>
28   Molly's age is (3/4) * 28= 
<gadget id="calculator">(3/4) * 28</gadget>
<output>21</output>
21   The answer is 21.
<result>D</result>
Right now, the ratio between the ages of Sandy and Molly is 4:3. After 6 years, Sandy’s age will be 34 years. What is Molly's age right now?