**Question 41 – “In the system of equations….”**

OG Explanation is okay. Alternatively, you could multiply the second equation by -2 and combine them.

**Question 42 – “If x>3,000…..”**

OG Explanation is sufficient. When x=3000, the value of 3000/6001 is close to 3000/6000 = ½

**Question 43 – “If 18 is 15 percent….”**

OG Explanation is fine but you could go directly to plugging in the answer choices.

**Question 44 – “In Triangle ABC above…”**

OG Explanation is sufficient.

**Question 45 – “3(0.072)….”**

OG Explanation is fine.

**Question 46 – “What is the…”**

OG Explanation is fine.

** **

**Question 47 – “The expression…”**

OG Explanation is fine.

**Question 48 – “If the numbers…”**

OG Explanation is fine.

**Question 49 – “Last year….”**

OG Explanation is fine.

**Question 50 – “2+…”**

OG Explanation is fine.