2018 AMC 12B Problems/Problem 6
Contents
Problem
Suppose cans of soda can be purchased from a vending machine for
quarters. Which of the following expressions describes the number of cans of soda that can be purchased for
dollars, where
dollar is worth
quarters?
Solution 1
Each can of soda costs quarters, or
dollars. Therefore,
dollars can purchase
cans of soda.
~MRENTHUSIASM
Solution 2
Note that is in the unit of
On the other hand,
and
are both in the unit of
The units of and
are
and
respectively. Since the answer is in the unit of
we eliminate
and
Moreover, it is clear that
dollars can purchase more than
cans of soda, so we eliminate
Finally, the answer is
~MRENTHUSIASM
See Also
2018 AMC 12B (Problems • Answer Key • Resources) | |
Preceded by Problem 5 |
Followed by Problem 7 |
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | |
All AMC 12 Problems and Solutions |
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