Question if-wha
If 
, what is the value of 
?
24
49
50
99
If , what is the value of ?
Medium-difficulty · SAT Math · Linear Equations in One Variable — Single-variable equations (multi-step). Read the question above, select your answer, and check the full explanation below to understand exactly why the correct choice works.
Answer explanation
Choice B is correct. Multiplying both sides of the given equation by 5 yields 
. Substituting 50 for 
in the expression yields 
.
Alternate approach: Dividing both sides of by 2 yields 
. Evaluating the expression for yields 
.
Choice A is incorrect and may result from finding the value of 
instead of . Choice C is incorrect and may result from finding the value of instead of . Choice D is incorrect and may result from finding the value of 
instead of .
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