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Twelve widgets of one size weigh x grams. Nine widgets of another size weigh y grams.
If y > x, what is the weight, in grams, of one of the heavier types of widgets?
A) 12x
B) 9y
C) 3/4
D) x/12
E) y/9
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One widget of the 1st type weights grams.
One widget of the 2nd type weights grams
Since y > x, it is obvious that > .
In other words, one widget of the 2nd type is heavier than one widget of the 1st type.
ANSWER. the weight of one of the heavier type of widgets is grams (option E).
Solved, with explanations.
The post-solution note: this problem is to use, to apply and to develop your common sense.