SOLUTION: The ratio of a to b is 7 to 9. What's the ratio of (a+2) to (b+2)? A)9:11 B)7:9 C)4:5 D)1:2 E) cannot be determined

Question 1014870: The ratio of a to b is 7 to 9. What's the ratio of (a+2) to (b+2)?
A)9:11
B)7:9
C)4:5
D)1:2
E) cannot be determined
Found 2 solutions by Boreal, MathTherapy:
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
It can't be determined.
If it is truly 7:9, it would be A if there were 16 items involved.
But a ratio of 70:90 is 7:9, and adding 2 to each does not make a 9:11 ration but a 72:92 ratio.
Answer by MathTherapy(10552) (Show Source): You can put this solution on YOUR website!

The ratio of a to b is 7 to 9. What's the ratio of (a+2) to (b+2)?
A)9:11
B)7:9
C)4:5
D)1:2
E) cannot be determined

. Therefore, = (CHOICE A)
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