Question

If 5+x , 2x+7 , 6x+9 , and y are in proportion when x=2, find the value of Y.

• A. 42
• B. 33
• C. 28
• D. 45

Answer 1

Answer:

B. 33

5+x , 2x+7 , 6x+9 , and y are in proportion when x=2

$\frac{5+x}{2x+7}=\frac{6x+9}{y}$

$\frac{7}{11}=\frac{21}{y}$

$7y=21\times{11}$

$y=33$