Problem
Each member of a research group visited either the Virgin Islands or Hawaii...
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So What?
Math questions involving two equations and two unknowns can usually be combined into one equation with one unknown.
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SAT: Multiple-Choice Question #3 |
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Question:
| If |
m |
is a positive integer and |
g |
- |
3 |
= |
4m
|
, which of the following |
| could NOT be a value of |
g |
? |
Choices:
| Start by solving for |
g |
: The equation is saying that " |
g |
is three |
| more than a multiple of four." The lowest multiples of four are: |
| 4, 16, 64, 256, 1,024. The corresponding values of |
g |
are: |
| 4 |
+ |
3 |
= |
7 |
, |
16 |
+ |
3 |
= |
19 |
, |
64 |
+ |
3 |
= |
67 |
, |
256 |
+ |
3 |
= |
259 |
, |
| 1,024 |
+ |
3 |
= |
1,027 |
, and so on. The only answer choice that isn't |
| on this list is choice (A), 3. |
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