It should be the 3rd one but idk for sure. if its not then its the 3rd one
Answer:

Step-by-step explanation:
"At most 4" means it can be 4 or less.
That is the same as "less than or equal to 4"
Let x = number of frogs the princess kissed.

Treasury bond's invested amount is "$7000" and Bond's invested amount is "$10000",
Let,
- The amount invested in treasury note will be = x
- The amount invested in bond will be = (x + 3000)
then,
→ 
→ 
→ 
→ 
→ 
→ 
→ 
→ 
→ 
Amount invested in bond will be:
= 
= 
=
Thus the above is the correct answer.
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Answer:
The simplest form is 1/20