Question

If 5x+4y=83 and $\frac{2x}{3y}=1\frac{1}{21}$ then the value of x2-y2 is:

• A. 1.83
• B. 2.72
• C. 3.18
• D. 4.4

Answer 1

Answer: (B)

2.72

Answer 2

The correct option is(B): 2.72